19713150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:706

約数の個数: 72

約数和(自身を含む): 53795664

約数和(自身を除く): 34082514

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 71, 75, 90, 142, 150, 213, 225, 355, 426, 450, 617, 639, 710, 1065, 1234, 1278, 1775, 1851, 2130, 3085, 3195, 3550, 3702, 5325, 5553, 6170, 6390, 9255, 10650, 11106, 15425, 15975, 18510, 27765, 30850, 31950, 43807, 46275, 55530, 87614, 92550, 131421, 138825, 219035, 262842, 277650, 394263, 438070, 657105, 788526, 1095175, 1314210, 1971315, 2190350, 3285525, 3942630, 6571050, 9856575, 19713150]

約数ペア:

[(1, 19713150), (2, 9856575), (3, 6571050), (5, 3942630), (6, 3285525), (9, 2190350), (10, 1971315), (15, 1314210), (18, 1095175), (25, 788526), (30, 657105), (45, 438070), (50, 394263), (71, 277650), (75, 262842), (90, 219035), (142, 138825), (150, 131421), (213, 92550), (225, 87614), (355, 55530), (426, 46275), (450, 43807), (617, 31950), (639, 30850), (710, 27765), (1065, 18510), (1234, 15975), (1278, 15425), (1775, 11106), (1851, 10650), (2130, 9255), (3085, 6390), (3195, 6170), (3550, 5553), (3702, 5325)]