31821428

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{22037}}^1$

素因数の和:22079

約数の個数: 18

約数和(自身を含む): 58775346

約数和(自身を除く): 26953918

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 22037, 44074, 88148, 418703, 837406, 1674812, 7955357, 15910714, 31821428]

約数ペア:

[(1, 31821428), (2, 15910714), (4, 7955357), (19, 1674812), (38, 837406), (76, 418703), (361, 88148), (722, 44074), (1444, 22037)]