19951290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7151}}^1$

素因数の和:7195

約数の個数: 48

約数和(自身を含む): 53554176

約数和(自身を除く): 33602886

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7151, 14302, 21453, 35755, 42906, 64359, 71510, 107265, 128718, 214530, 221681, 321795, 443362, 643590, 665043, 1108405, 1330086, 1995129, 2216810, 3325215, 3990258, 6650430, 9975645, 19951290]

約数ペア:

[(1, 19951290), (2, 9975645), (3, 6650430), (5, 3990258), (6, 3325215), (9, 2216810), (10, 1995129), (15, 1330086), (18, 1108405), (30, 665043), (31, 643590), (45, 443362), (62, 321795), (90, 221681), (93, 214530), (155, 128718), (186, 107265), (279, 71510), (310, 64359), (465, 42906), (558, 35755), (930, 21453), (1395, 14302), (2790, 7151)]