18155450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{659}}^1$

素因数の和:719

約数の個数: 48

約数和(自身を含む): 36828000

約数和(自身を除く): 18672550

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 95, 145, 190, 290, 475, 551, 659, 725, 950, 1102, 1318, 1450, 2755, 3295, 5510, 6590, 12521, 13775, 16475, 19111, 25042, 27550, 32950, 38222, 62605, 95555, 125210, 191110, 313025, 363109, 477775, 626050, 726218, 955550, 1815545, 3631090, 9077725, 18155450]

約数ペア:

[(1, 18155450), (2, 9077725), (5, 3631090), (10, 1815545), (19, 955550), (25, 726218), (29, 626050), (38, 477775), (50, 363109), (58, 313025), (95, 191110), (145, 125210), (190, 95555), (290, 62605), (475, 38222), (551, 32950), (659, 27550), (725, 25042), (950, 19111), (1102, 16475), (1318, 13775), (1450, 12521), (2755, 6590), (3295, 5510)]