18493960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27197}}^1$

素因数の和:27225

約数の個数: 32

約数和(自身を含む): 44060760

約数和(自身を除く): 25566800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 27197, 54394, 108788, 135985, 217576, 271970, 462349, 543940, 924698, 1087880, 1849396, 2311745, 3698792, 4623490, 9246980, 18493960]

約数ペア:

[(1, 18493960), (2, 9246980), (4, 4623490), (5, 3698792), (8, 2311745), (10, 1849396), (17, 1087880), (20, 924698), (34, 543940), (40, 462349), (68, 271970), (85, 217576), (136, 135985), (170, 108788), (340, 54394), (680, 27197)]