13194940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1621}}^1$

素因数の和:1678

約数の個数: 48

約数和(自身を含む): 31064544

約数和(自身を除く): 17869604

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1621, 1628, 2035, 3242, 4070, 6484, 8105, 8140, 16210, 17831, 32420, 35662, 59977, 71324, 89155, 119954, 178310, 239908, 299885, 356620, 599770, 659747, 1199540, 1319494, 2638988, 3298735, 6597470, 13194940]

約数ペア:

[(1, 13194940), (2, 6597470), (4, 3298735), (5, 2638988), (10, 1319494), (11, 1199540), (20, 659747), (22, 599770), (37, 356620), (44, 299885), (55, 239908), (74, 178310), (110, 119954), (148, 89155), (185, 71324), (220, 59977), (370, 35662), (407, 32420), (740, 17831), (814, 16210), (1621, 8140), (1628, 8105), (2035, 6484), (3242, 4070)]