18213664

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4783}}^1$

素因数の和:4817

約数の個数: 48

約数和(自身を含む): 43400448

約数和(自身を除く): 25186784

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 4783, 9566, 19132, 33481, 38264, 66962, 76528, 81311, 133924, 153056, 162622, 267848, 325244, 535696, 569177, 650488, 1071392, 1138354, 1300976, 2276708, 2601952, 4553416, 9106832, 18213664]

約数ペア:

[(1, 18213664), (2, 9106832), (4, 4553416), (7, 2601952), (8, 2276708), (14, 1300976), (16, 1138354), (17, 1071392), (28, 650488), (32, 569177), (34, 535696), (56, 325244), (68, 267848), (112, 162622), (119, 153056), (136, 133924), (224, 81311), (238, 76528), (272, 66962), (476, 38264), (544, 33481), (952, 19132), (1904, 9566), (3808, 4783)]