19615095

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 37171200

約数和(自身を除く): 17556105

約数列:

[1, 3, 5, 9, 15, 27, 31, 43, 45, 93, 109, 129, 135, 155, 215, 279, 327, 387, 465, 545, 645, 837, 981, 1161, 1333, 1395, 1635, 1935, 2943, 3379, 3999, 4185, 4687, 4905, 5805, 6665, 10137, 11997, 14061, 14715, 16895, 19995, 23435, 30411, 35991, 42183, 50685, 59985, 70305, 91233, 126549, 145297, 152055, 179955, 210915, 435891, 456165, 632745, 726485, 1307673, 2179455, 3923019, 6538365, 19615095]

約数ペア:

[(1, 19615095), (3, 6538365), (5, 3923019), (9, 2179455), (15, 1307673), (27, 726485), (31, 632745), (43, 456165), (45, 435891), (93, 210915), (109, 179955), (129, 152055), (135, 145297), (155, 126549), (215, 91233), (279, 70305), (327, 59985), (387, 50685), (465, 42183), (545, 35991), (645, 30411), (837, 23435), (981, 19995), (1161, 16895), (1333, 14715), (1395, 14061), (1635, 11997), (1935, 10137), (2943, 6665), (3379, 5805), (3999, 4905), (4185, 4687)]