15678424940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2171527}}^1$

素因数の和:2171574

約数の個数: 36

約数和(自身を含む): 34748791056

約数和(自身を除く): 19070366116

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 2171527, 4343054, 8686108, 10857635, 21715270, 41259013, 43430540, 82518026, 165036052, 206295065, 412590130, 783921247, 825180260, 1567842494, 3135684988, 3919606235, 7839212470, 15678424940]

約数ペア:

[(1, 15678424940), (2, 7839212470), (4, 3919606235), (5, 3135684988), (10, 1567842494), (19, 825180260), (20, 783921247), (38, 412590130), (76, 206295065), (95, 165036052), (190, 82518026), (361, 43430540), (380, 41259013), (722, 21715270), (1444, 10857635), (1805, 8686108), (3610, 4343054), (7220, 2171527)]