18315460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{523}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 41198976

約数和(自身を除く): 22883516

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 103, 170, 206, 340, 412, 515, 523, 1030, 1046, 1751, 2060, 2092, 2615, 3502, 5230, 7004, 8755, 8891, 10460, 17510, 17782, 35020, 35564, 44455, 53869, 88910, 107738, 177820, 215476, 269345, 538690, 915773, 1077380, 1831546, 3663092, 4578865, 9157730, 18315460]

約数ペア:

[(1, 18315460), (2, 9157730), (4, 4578865), (5, 3663092), (10, 1831546), (17, 1077380), (20, 915773), (34, 538690), (68, 269345), (85, 215476), (103, 177820), (170, 107738), (206, 88910), (340, 53869), (412, 44455), (515, 35564), (523, 35020), (1030, 17782), (1046, 17510), (1751, 10460), (2060, 8891), (2092, 8755), (2615, 7004), (3502, 5230)]