19215950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:126

約数の個数: 96

約数和(自身を含む): 42747264

約数和(自身を除く): 23531314

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 37, 47, 50, 65, 74, 85, 94, 130, 170, 185, 221, 235, 325, 370, 425, 442, 470, 481, 611, 629, 650, 799, 850, 925, 962, 1105, 1175, 1222, 1258, 1598, 1739, 1850, 2210, 2350, 2405, 3055, 3145, 3478, 3995, 4810, 5525, 6110, 6290, 7990, 8177, 8695, 10387, 11050, 12025, 15275, 15725, 16354, 17390, 19975, 20774, 22607, 24050, 29563, 30550, 31450, 39950, 40885, 43475, 45214, 51935, 59126, 81770, 86950, 103870, 113035, 147815, 204425, 226070, 259675, 295630, 384319, 408850, 519350, 565175, 739075, 768638, 1130350, 1478150, 1921595, 3843190, 9607975, 19215950]

約数ペア:

[(1, 19215950), (2, 9607975), (5, 3843190), (10, 1921595), (13, 1478150), (17, 1130350), (25, 768638), (26, 739075), (34, 565175), (37, 519350), (47, 408850), (50, 384319), (65, 295630), (74, 259675), (85, 226070), (94, 204425), (130, 147815), (170, 113035), (185, 103870), (221, 86950), (235, 81770), (325, 59126), (370, 51935), (425, 45214), (442, 43475), (470, 40885), (481, 39950), (611, 31450), (629, 30550), (650, 29563), (799, 24050), (850, 22607), (925, 20774), (962, 19975), (1105, 17390), (1175, 16354), (1222, 15725), (1258, 15275), (1598, 12025), (1739, 11050), (1850, 10387), (2210, 8695), (2350, 8177), (2405, 7990), (3055, 6290), (3145, 6110), (3478, 5525), (3995, 4810)]