16918480

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2897}}^1$

素因数の和:2983

約数の個数: 40

約数和(自身を含む): 39888072

約数和(自身を除く): 22969592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2897, 2920, 5794, 5840, 11588, 14485, 23176, 28970, 46352, 57940, 115880, 211481, 231760, 422962, 845924, 1057405, 1691848, 2114810, 3383696, 4229620, 8459240, 16918480]

約数ペア:

[(1, 16918480), (2, 8459240), (4, 4229620), (5, 3383696), (8, 2114810), (10, 1691848), (16, 1057405), (20, 845924), (40, 422962), (73, 231760), (80, 211481), (146, 115880), (292, 57940), (365, 46352), (584, 28970), (730, 23176), (1168, 14485), (1460, 11588), (2897, 5840), (2920, 5794)]