18249160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 44478720

約数和(自身を除く): 26229560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 571, 680, 799, 940, 1142, 1598, 1880, 2284, 2855, 3196, 3995, 4568, 5710, 6392, 7990, 9707, 11420, 15980, 19414, 22840, 26837, 31960, 38828, 48535, 53674, 77656, 97070, 107348, 134185, 194140, 214696, 268370, 388280, 456229, 536740, 912458, 1073480, 1824916, 2281145, 3649832, 4562290, 9124580, 18249160]

約数ペア:

[(1, 18249160), (2, 9124580), (4, 4562290), (5, 3649832), (8, 2281145), (10, 1824916), (17, 1073480), (20, 912458), (34, 536740), (40, 456229), (47, 388280), (68, 268370), (85, 214696), (94, 194140), (136, 134185), (170, 107348), (188, 97070), (235, 77656), (340, 53674), (376, 48535), (470, 38828), (571, 31960), (680, 26837), (799, 22840), (940, 19414), (1142, 15980), (1598, 11420), (1880, 9707), (2284, 7990), (2855, 6392), (3196, 5710), (3995, 4568)]