18960500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2917}}^1$

素因数の和:2949

約数の個数: 48

約数和(自身を含む): 44610384

約数和(自身を除く): 25649884

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 2917, 3250, 5834, 6500, 11668, 14585, 29170, 37921, 58340, 72925, 75842, 145850, 151684, 189605, 291700, 364625, 379210, 729250, 758420, 948025, 1458500, 1896050, 3792100, 4740125, 9480250, 18960500]

約数ペア:

[(1, 18960500), (2, 9480250), (4, 4740125), (5, 3792100), (10, 1896050), (13, 1458500), (20, 948025), (25, 758420), (26, 729250), (50, 379210), (52, 364625), (65, 291700), (100, 189605), (125, 151684), (130, 145850), (250, 75842), (260, 72925), (325, 58340), (500, 37921), (650, 29170), (1300, 14585), (1625, 11668), (2917, 6500), (3250, 5834)]