1905985808

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{291257}}^1$

素因数の和:291674

約数の個数: 20

約数和(自身を含む): 3701889180

約数和(自身を除く): 1795903372

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 291257, 582514, 1165028, 2330056, 4660112, 119124113, 238248226, 476496452, 952992904, 1905985808]

約数ペア:

[(1, 1905985808), (2, 952992904), (4, 476496452), (8, 238248226), (16, 119124113), (409, 4660112), (818, 2330056), (1636, 1165028), (3272, 582514), (6544, 291257)]