18671250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{383}}^1$

素因数の和:421

約数の個数: 80

約数和(自身を含む): 50383872

約数和(自身を除く): 31712622

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 383, 390, 625, 650, 750, 766, 975, 1149, 1250, 1625, 1875, 1915, 1950, 2298, 3250, 3750, 3830, 4875, 4979, 5745, 8125, 9575, 9750, 9958, 11490, 14937, 16250, 19150, 24375, 24895, 28725, 29874, 47875, 48750, 49790, 57450, 74685, 95750, 124475, 143625, 149370, 239375, 248950, 287250, 373425, 478750, 622375, 718125, 746850, 1244750, 1436250, 1867125, 3111875, 3734250, 6223750, 9335625, 18671250]

約数ペア:

[(1, 18671250), (2, 9335625), (3, 6223750), (5, 3734250), (6, 3111875), (10, 1867125), (13, 1436250), (15, 1244750), (25, 746850), (26, 718125), (30, 622375), (39, 478750), (50, 373425), (65, 287250), (75, 248950), (78, 239375), (125, 149370), (130, 143625), (150, 124475), (195, 95750), (250, 74685), (325, 57450), (375, 49790), (383, 48750), (390, 47875), (625, 29874), (650, 28725), (750, 24895), (766, 24375), (975, 19150), (1149, 16250), (1250, 14937), (1625, 11490), (1875, 9958), (1915, 9750), (1950, 9575), (2298, 8125), (3250, 5745), (3750, 4979), (3830, 4875)]