19866510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3109}}^1$

素因数の和:3193

約数の個数: 48

約数和(自身を含む): 52397280

約数和(自身を除く): 32530770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3109, 3195, 6218, 6390, 9327, 15545, 18654, 27981, 31090, 46635, 55962, 93270, 139905, 220739, 279810, 441478, 662217, 1103695, 1324434, 1986651, 2207390, 3311085, 3973302, 6622170, 9933255, 19866510]

約数ペア:

[(1, 19866510), (2, 9933255), (3, 6622170), (5, 3973302), (6, 3311085), (9, 2207390), (10, 1986651), (15, 1324434), (18, 1103695), (30, 662217), (45, 441478), (71, 279810), (90, 220739), (142, 139905), (213, 93270), (355, 55962), (426, 46635), (639, 31090), (710, 27981), (1065, 18654), (1278, 15545), (2130, 9327), (3109, 6390), (3195, 6218)]