18629960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27397}}^1$

素因数の和:27425

約数の個数: 32

約数和(自身を含む): 44384760

約数和(自身を除く): 25754800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 27397, 54794, 109588, 136985, 219176, 273970, 465749, 547940, 931498, 1095880, 1862996, 2328745, 3725992, 4657490, 9314980, 18629960]

約数ペア:

[(1, 18629960), (2, 9314980), (4, 4657490), (5, 3725992), (8, 2328745), (10, 1862996), (17, 1095880), (20, 931498), (34, 547940), (40, 465749), (68, 273970), (85, 219176), (136, 136985), (170, 109588), (340, 54794), (680, 27397)]