1888049781488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{20389}}^1\times {\mathrm{445199}}^1$

素因数の和:465609

約数の個数: 40

約数和(自身を含む): 3939690552000

約数和(自身を除く): 2051640770512

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 20389, 40778, 81556, 163112, 265057, 326224, 445199, 530114, 890398, 1060228, 1780796, 2120456, 3561592, 4240912, 5787587, 7123184, 11575174, 23150348, 46300696, 92601392, 9077162411, 18154324822, 36308649644, 72617299288, 118003111343, 145234598576, 236006222686, 472012445372, 944024890744, 1888049781488]

約数ペア:

[(1, 1888049781488), (2, 944024890744), (4, 472012445372), (8, 236006222686), (13, 145234598576), (16, 118003111343), (26, 72617299288), (52, 36308649644), (104, 18154324822), (208, 9077162411), (20389, 92601392), (40778, 46300696), (81556, 23150348), (163112, 11575174), (265057, 7123184), (326224, 5787587), (445199, 4240912), (530114, 3561592), (890398, 2120456), (1060228, 1780796)]