19910250

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{8849}}^1$

素因数の和:8872

約数の個数: 48

約数和(自身を含む): 53843400

約数和(自身を除く): 33933150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 225, 250, 375, 450, 750, 1125, 2250, 8849, 17698, 26547, 44245, 53094, 79641, 88490, 132735, 159282, 221225, 265470, 398205, 442450, 663675, 796410, 1106125, 1327350, 1991025, 2212250, 3318375, 3982050, 6636750, 9955125, 19910250]

約数ペア:

[(1, 19910250), (2, 9955125), (3, 6636750), (5, 3982050), (6, 3318375), (9, 2212250), (10, 1991025), (15, 1327350), (18, 1106125), (25, 796410), (30, 663675), (45, 442450), (50, 398205), (75, 265470), (90, 221225), (125, 159282), (150, 132735), (225, 88490), (250, 79641), (375, 53094), (450, 44245), (750, 26547), (1125, 17698), (2250, 8849)]