18718796

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{727}}^1$

素因数の和:929

約数の個数: 24

約数和(自身を含む): 33817056

約数和(自身を除く): 15098260

約数列:

[1, 2, 4, 41, 82, 157, 164, 314, 628, 727, 1454, 2908, 6437, 12874, 25748, 29807, 59614, 114139, 119228, 228278, 456556, 4679699, 9359398, 18718796]

約数ペア:

[(1, 18718796), (2, 9359398), (4, 4679699), (41, 456556), (82, 228278), (157, 119228), (164, 114139), (314, 59614), (628, 29807), (727, 25748), (1454, 12874), (2908, 6437)]