19669890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 48988800

約数和(自身を除く): 29318910

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 89, 106, 139, 159, 178, 265, 267, 278, 318, 417, 445, 530, 534, 695, 795, 834, 890, 1335, 1390, 1590, 2085, 2670, 4170, 4717, 7367, 9434, 12371, 14151, 14734, 22101, 23585, 24742, 28302, 36835, 37113, 44202, 47170, 61855, 70755, 73670, 74226, 110505, 123710, 141510, 185565, 221010, 371130, 655663, 1311326, 1966989, 3278315, 3933978, 6556630, 9834945, 19669890]

約数ペア:

[(1, 19669890), (2, 9834945), (3, 6556630), (5, 3933978), (6, 3278315), (10, 1966989), (15, 1311326), (30, 655663), (53, 371130), (89, 221010), (106, 185565), (139, 141510), (159, 123710), (178, 110505), (265, 74226), (267, 73670), (278, 70755), (318, 61855), (417, 47170), (445, 44202), (530, 37113), (534, 36835), (695, 28302), (795, 24742), (834, 23585), (890, 22101), (1335, 14734), (1390, 14151), (1590, 12371), (2085, 9434), (2670, 7367), (4170, 4717)]