18893392

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9923}}^1$

素因数の和:9955

約数の個数: 40

約数和(自身を含む): 44300736

約数和(自身を除く): 25407344

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 9923, 19846, 39692, 69461, 79384, 138922, 158768, 168691, 277844, 337382, 555688, 674764, 1111376, 1180837, 1349528, 2361674, 2699056, 4723348, 9446696, 18893392]

約数ペア:

[(1, 18893392), (2, 9446696), (4, 4723348), (7, 2699056), (8, 2361674), (14, 1349528), (16, 1180837), (17, 1111376), (28, 674764), (34, 555688), (56, 337382), (68, 277844), (112, 168691), (119, 158768), (136, 138922), (238, 79384), (272, 69461), (476, 39692), (952, 19846), (1904, 9923)]