18705848

素因数分解:

$2^3\times 7^3\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 43416000

約数和(自身を除く): 24710152

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 196, 238, 343, 392, 401, 476, 686, 802, 833, 952, 1372, 1604, 1666, 2744, 2807, 3208, 3332, 5614, 5831, 6664, 6817, 11228, 11662, 13634, 19649, 22456, 23324, 27268, 39298, 46648, 47719, 54536, 78596, 95438, 137543, 157192, 190876, 275086, 334033, 381752, 550172, 668066, 1100344, 1336132, 2338231, 2672264, 4676462, 9352924, 18705848]

約数ペア:

[(1, 18705848), (2, 9352924), (4, 4676462), (7, 2672264), (8, 2338231), (14, 1336132), (17, 1100344), (28, 668066), (34, 550172), (49, 381752), (56, 334033), (68, 275086), (98, 190876), (119, 157192), (136, 137543), (196, 95438), (238, 78596), (343, 54536), (392, 47719), (401, 46648), (476, 39298), (686, 27268), (802, 23324), (833, 22456), (952, 19649), (1372, 13634), (1604, 11662), (1666, 11228), (2744, 6817), (2807, 6664), (3208, 5831), (3332, 5614)]