18879248

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2239}}^1$

素因数の和:2295

約数の個数: 40

約数和(自身を含む): 39997440

約数和(自身を除く): 21118192

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 2239, 4216, 4478, 8432, 8956, 17912, 35824, 38063, 69409, 76126, 138818, 152252, 277636, 304504, 555272, 609008, 1110544, 1179953, 2359906, 4719812, 9439624, 18879248]

約数ペア:

[(1, 18879248), (2, 9439624), (4, 4719812), (8, 2359906), (16, 1179953), (17, 1110544), (31, 609008), (34, 555272), (62, 304504), (68, 277636), (124, 152252), (136, 138818), (248, 76126), (272, 69409), (496, 38063), (527, 35824), (1054, 17912), (2108, 8956), (2239, 8432), (4216, 4478)]