18169960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12277}}^1$

素因数の和:12325

約数の個数: 32

約数和(自身を含む): 41990760

約数和(自身を除く): 23820800

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 12277, 24554, 49108, 61385, 98216, 122770, 245540, 454249, 491080, 908498, 1816996, 2271245, 3633992, 4542490, 9084980, 18169960]

約数ペア:

[(1, 18169960), (2, 9084980), (4, 4542490), (5, 3633992), (8, 2271245), (10, 1816996), (20, 908498), (37, 491080), (40, 454249), (74, 245540), (148, 122770), (185, 98216), (296, 61385), (370, 49108), (740, 24554), (1480, 12277)]