18231430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1283}}^1$

素因数の和:1333

約数の個数: 48

約数和(自身を含む): 39521520

約数和(自身を除く): 21290090

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 203, 245, 290, 406, 490, 1015, 1283, 1421, 2030, 2566, 2842, 6415, 7105, 8981, 12830, 14210, 17962, 37207, 44905, 62867, 74414, 89810, 125734, 186035, 260449, 314335, 372070, 520898, 628670, 1302245, 1823143, 2604490, 3646286, 9115715, 18231430]

約数ペア:

[(1, 18231430), (2, 9115715), (5, 3646286), (7, 2604490), (10, 1823143), (14, 1302245), (29, 628670), (35, 520898), (49, 372070), (58, 314335), (70, 260449), (98, 186035), (145, 125734), (203, 89810), (245, 74414), (290, 62867), (406, 44905), (490, 37207), (1015, 17962), (1283, 14210), (1421, 12830), (2030, 8981), (2566, 7105), (2842, 6415)]