18710510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{709}}^1$

素因数の和:765

約数の個数: 64

約数和(自身を含む): 42940800

約数和(自身を除く): 24230290

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 29, 35, 58, 65, 70, 91, 130, 145, 182, 203, 290, 377, 406, 455, 709, 754, 910, 1015, 1418, 1885, 2030, 2639, 3545, 3770, 4963, 5278, 7090, 9217, 9926, 13195, 18434, 20561, 24815, 26390, 41122, 46085, 49630, 64519, 92170, 102805, 129038, 143927, 205610, 267293, 287854, 322595, 534586, 645190, 719635, 1336465, 1439270, 1871051, 2672930, 3742102, 9355255, 18710510]

約数ペア:

[(1, 18710510), (2, 9355255), (5, 3742102), (7, 2672930), (10, 1871051), (13, 1439270), (14, 1336465), (26, 719635), (29, 645190), (35, 534586), (58, 322595), (65, 287854), (70, 267293), (91, 205610), (130, 143927), (145, 129038), (182, 102805), (203, 92170), (290, 64519), (377, 49630), (406, 46085), (455, 41122), (709, 26390), (754, 24815), (910, 20561), (1015, 18434), (1418, 13195), (1885, 9926), (2030, 9217), (2639, 7090), (3545, 5278), (3770, 4963)]