19437750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 53879904

約数和(自身を除く): 34442154

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 53, 75, 90, 106, 125, 150, 159, 163, 225, 250, 265, 318, 326, 375, 450, 477, 489, 530, 750, 795, 815, 954, 978, 1125, 1325, 1467, 1590, 1630, 2250, 2385, 2445, 2650, 2934, 3975, 4075, 4770, 4890, 6625, 7335, 7950, 8150, 8639, 11925, 12225, 13250, 14670, 17278, 19875, 20375, 23850, 24450, 25917, 36675, 39750, 40750, 43195, 51834, 59625, 61125, 73350, 77751, 86390, 119250, 122250, 129585, 155502, 183375, 215975, 259170, 366750, 388755, 431950, 647925, 777510, 1079875, 1295850, 1943775, 2159750, 3239625, 3887550, 6479250, 9718875, 19437750]

約数ペア:

[(1, 19437750), (2, 9718875), (3, 6479250), (5, 3887550), (6, 3239625), (9, 2159750), (10, 1943775), (15, 1295850), (18, 1079875), (25, 777510), (30, 647925), (45, 431950), (50, 388755), (53, 366750), (75, 259170), (90, 215975), (106, 183375), (125, 155502), (150, 129585), (159, 122250), (163, 119250), (225, 86390), (250, 77751), (265, 73350), (318, 61125), (326, 59625), (375, 51834), (450, 43195), (477, 40750), (489, 39750), (530, 36675), (750, 25917), (795, 24450), (815, 23850), (954, 20375), (978, 19875), (1125, 17278), (1325, 14670), (1467, 13250), (1590, 12225), (1630, 11925), (2250, 8639), (2385, 8150), (2445, 7950), (2650, 7335), (2934, 6625), (3975, 4890), (4075, 4770)]