19138621840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{2593}}^1$

素因数の和:2817

約数の個数: 160

約数和(自身を含む): 49282845696

約数和(自身を除く): 30144223856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 151, 188, 208, 235, 260, 302, 376, 470, 520, 604, 611, 752, 755, 940, 1040, 1208, 1222, 1510, 1880, 1963, 2416, 2444, 2593, 3020, 3055, 3760, 3926, 4888, 5186, 6040, 6110, 7097, 7852, 9776, 9815, 10372, 12080, 12220, 12965, 14194, 15704, 19630, 20744, 24440, 25930, 28388, 31408, 33709, 35485, 39260, 41488, 48880, 51860, 56776, 67418, 70970, 78520, 92261, 103720, 113552, 121871, 134836, 141940, 157040, 168545, 184522, 207440, 243742, 269672, 283880, 337090, 369044, 391543, 461305, 487484, 539344, 567760, 609355, 674180, 738088, 783086, 922610, 974968, 1218710, 1348360, 1476176, 1566172, 1584323, 1845220, 1949936, 1957715, 2437420, 2696720, 3132344, 3168646, 3690440, 3915430, 4874840, 5090059, 6264688, 6337292, 7380880, 7830860, 7921615, 9749680, 10180118, 12674584, 15661720, 15843230, 18402521, 20360236, 25349168, 25450295, 31323440, 31686460, 36805042, 40720472, 50900590, 63372920, 73610084, 81440944, 92012605, 101801180, 126745840, 147220168, 184025210, 203602360, 239232773, 294440336, 368050420, 407204720, 478465546, 736100840, 956931092, 1196163865, 1472201680, 1913862184, 2392327730, 3827724368, 4784655460, 9569310920, 19138621840]

約数ペア:

[(1, 19138621840), (2, 9569310920), (4, 4784655460), (5, 3827724368), (8, 2392327730), (10, 1913862184), (13, 1472201680), (16, 1196163865), (20, 956931092), (26, 736100840), (40, 478465546), (47, 407204720), (52, 368050420), (65, 294440336), (80, 239232773), (94, 203602360), (104, 184025210), (130, 147220168), (151, 126745840), (188, 101801180), (208, 92012605), (235, 81440944), (260, 73610084), (302, 63372920), (376, 50900590), (470, 40720472), (520, 36805042), (604, 31686460), (611, 31323440), (752, 25450295), (755, 25349168), (940, 20360236), (1040, 18402521), (1208, 15843230), (1222, 15661720), (1510, 12674584), (1880, 10180118), (1963, 9749680), (2416, 7921615), (2444, 7830860), (2593, 7380880), (3020, 6337292), (3055, 6264688), (3760, 5090059), (3926, 4874840), (4888, 3915430), (5186, 3690440), (6040, 3168646), (6110, 3132344), (7097, 2696720), (7852, 2437420), (9776, 1957715), (9815, 1949936), (10372, 1845220), (12080, 1584323), (12220, 1566172), (12965, 1476176), (14194, 1348360), (15704, 1218710), (19630, 974968), (20744, 922610), (24440, 783086), (25930, 738088), (28388, 674180), (31408, 609355), (33709, 567760), (35485, 539344), (39260, 487484), (41488, 461305), (48880, 391543), (51860, 369044), (56776, 337090), (67418, 283880), (70970, 269672), (78520, 243742), (92261, 207440), (103720, 184522), (113552, 168545), (121871, 157040), (134836, 141940)]