13091228

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{613}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 24240720

約数和(自身を除く): 11149492

約数列:

[1, 2, 4, 19, 38, 76, 281, 562, 613, 1124, 1226, 2452, 5339, 10678, 11647, 21356, 23294, 46588, 172253, 344506, 689012, 3272807, 6545614, 13091228]

約数ペア:

[(1, 13091228), (2, 6545614), (4, 3272807), (19, 689012), (38, 344506), (76, 172253), (281, 46588), (562, 23294), (613, 21356), (1124, 11647), (1226, 10678), (2452, 5339)]