19270940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 47416320

約数和(自身を除く): 28145380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 47, 52, 65, 76, 83, 94, 95, 130, 166, 188, 190, 235, 247, 260, 332, 380, 415, 470, 494, 611, 830, 893, 940, 988, 1079, 1222, 1235, 1577, 1660, 1786, 2158, 2444, 2470, 3055, 3154, 3572, 3901, 4316, 4465, 4940, 5395, 6110, 6308, 7802, 7885, 8930, 10790, 11609, 12220, 15604, 15770, 17860, 19505, 20501, 21580, 23218, 31540, 39010, 41002, 46436, 50713, 58045, 74119, 78020, 82004, 101426, 102505, 116090, 148238, 202852, 205010, 232180, 253565, 296476, 370595, 410020, 507130, 741190, 963547, 1014260, 1482380, 1927094, 3854188, 4817735, 9635470, 19270940]

約数ペア:

[(1, 19270940), (2, 9635470), (4, 4817735), (5, 3854188), (10, 1927094), (13, 1482380), (19, 1014260), (20, 963547), (26, 741190), (38, 507130), (47, 410020), (52, 370595), (65, 296476), (76, 253565), (83, 232180), (94, 205010), (95, 202852), (130, 148238), (166, 116090), (188, 102505), (190, 101426), (235, 82004), (247, 78020), (260, 74119), (332, 58045), (380, 50713), (415, 46436), (470, 41002), (494, 39010), (611, 31540), (830, 23218), (893, 21580), (940, 20501), (988, 19505), (1079, 17860), (1222, 15770), (1235, 15604), (1577, 12220), (1660, 11609), (1786, 10790), (2158, 8930), (2444, 7885), (2470, 7802), (3055, 6308), (3154, 6110), (3572, 5395), (3901, 4940), (4316, 4465)]