18965072

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5839}}^1$

素因数の和:5883

約数の個数: 40

約数和(自身を含む): 43449600

約数和(自身を除く): 24484528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 5839, 11678, 23356, 40873, 46712, 81746, 93424, 163492, 169331, 326984, 338662, 653968, 677324, 1185317, 1354648, 2370634, 2709296, 4741268, 9482536, 18965072]

約数ペア:

[(1, 18965072), (2, 9482536), (4, 4741268), (7, 2709296), (8, 2370634), (14, 1354648), (16, 1185317), (28, 677324), (29, 653968), (56, 338662), (58, 326984), (112, 169331), (116, 163492), (203, 93424), (232, 81746), (406, 46712), (464, 40873), (812, 23356), (1624, 11678), (3248, 5839)]