18939877775

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{919}}^1\times {\mathrm{9059}}^1$

素因数の和:10008

約数の個数: 48

約数和(自身を含む): 28939814400

約数和(自身を除く): 9999936625

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 919, 2275, 4595, 6433, 9059, 11947, 22975, 32165, 45295, 59735, 63413, 83629, 117767, 160825, 226475, 298675, 317065, 418145, 588835, 824369, 1585325, 2090725, 2944175, 4121845, 8325221, 20609225, 41626105, 58276547, 108227873, 208130525, 291382735, 541139365, 757595111, 1456913675, 2705696825, 3787975555, 18939877775]

約数ペア:

[(1, 18939877775), (5, 3787975555), (7, 2705696825), (13, 1456913675), (25, 757595111), (35, 541139365), (65, 291382735), (91, 208130525), (175, 108227873), (325, 58276547), (455, 41626105), (919, 20609225), (2275, 8325221), (4595, 4121845), (6433, 2944175), (9059, 2090725), (11947, 1585325), (22975, 824369), (32165, 588835), (45295, 418145), (59735, 317065), (63413, 298675), (83629, 226475), (117767, 160825)]