18260990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4049}}^1$

素因数の和:4108

約数の個数: 32

約数和(自身を含む): 36741600

約数和(自身を除く): 18480610

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4049, 4510, 8098, 20245, 40490, 44539, 89078, 166009, 222695, 332018, 445390, 830045, 1660090, 1826099, 3652198, 9130495, 18260990]

約数ペア:

[(1, 18260990), (2, 9130495), (5, 3652198), (10, 1826099), (11, 1660090), (22, 830045), (41, 445390), (55, 332018), (82, 222695), (110, 166009), (205, 89078), (410, 44539), (451, 40490), (902, 20245), (2255, 8098), (4049, 4510)]