18680030

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 34604928

約数和(自身を除く): 15924898

約数列:

[1, 2, 5, 10, 61, 113, 122, 226, 271, 305, 542, 565, 610, 1130, 1355, 2710, 6893, 13786, 16531, 30623, 33062, 34465, 61246, 68930, 82655, 153115, 165310, 306230, 1868003, 3736006, 9340015, 18680030]

約数ペア:

[(1, 18680030), (2, 9340015), (5, 3736006), (10, 1868003), (61, 306230), (113, 165310), (122, 153115), (226, 82655), (271, 68930), (305, 61246), (542, 34465), (565, 33062), (610, 30623), (1130, 16531), (1355, 13786), (2710, 6893)]