18168140

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8039}}^1$

素因数の和:8161

約数の個数: 24

約数和(自身を含む): 38495520

約数和(自身を除く): 20327380

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8039, 16078, 32156, 40195, 80390, 160780, 908407, 1816814, 3633628, 4542035, 9084070, 18168140]

約数ペア:

[(1, 18168140), (2, 9084070), (4, 4542035), (5, 3633628), (10, 1816814), (20, 908407), (113, 160780), (226, 80390), (452, 40195), (565, 32156), (1130, 16078), (2260, 8039)]