19626705

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:97

約数の個数: 120

約数和(自身を含む): 43699392

約数和(自身を除く): 24072687

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 43, 45, 49, 63, 69, 81, 105, 115, 129, 135, 147, 161, 189, 207, 215, 245, 301, 315, 345, 387, 405, 441, 483, 567, 621, 645, 735, 805, 903, 945, 989, 1035, 1127, 1161, 1323, 1449, 1505, 1863, 1935, 2107, 2205, 2415, 2709, 2835, 2967, 3105, 3381, 3483, 3969, 4347, 4515, 4945, 5635, 5805, 6321, 6615, 6923, 7245, 8127, 8901, 9315, 10143, 10535, 13041, 13545, 14835, 16905, 17415, 18963, 19845, 20769, 21735, 24381, 26703, 30429, 31605, 34615, 40635, 44505, 48461, 50715, 56889, 62307, 65205, 80109, 91287, 94815, 103845, 121905, 133515, 145383, 152145, 170667, 186921, 242305, 284445, 311535, 400545, 436149, 456435, 560763, 726915, 853335, 934605, 1308447, 2180745, 2803815, 3925341, 6542235, 19626705]

約数ペア:

[(1, 19626705), (3, 6542235), (5, 3925341), (7, 2803815), (9, 2180745), (15, 1308447), (21, 934605), (23, 853335), (27, 726915), (35, 560763), (43, 456435), (45, 436149), (49, 400545), (63, 311535), (69, 284445), (81, 242305), (105, 186921), (115, 170667), (129, 152145), (135, 145383), (147, 133515), (161, 121905), (189, 103845), (207, 94815), (215, 91287), (245, 80109), (301, 65205), (315, 62307), (345, 56889), (387, 50715), (405, 48461), (441, 44505), (483, 40635), (567, 34615), (621, 31605), (645, 30429), (735, 26703), (805, 24381), (903, 21735), (945, 20769), (989, 19845), (1035, 18963), (1127, 17415), (1161, 16905), (1323, 14835), (1449, 13545), (1505, 13041), (1863, 10535), (1935, 10143), (2107, 9315), (2205, 8901), (2415, 8127), (2709, 7245), (2835, 6923), (2967, 6615), (3105, 6321), (3381, 5805), (3483, 5635), (3969, 4945), (4347, 4515)]