20196261964

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{13986331}}^1$

素因数の和:13986373

約数の個数: 18

約数和(自身を含む): 37301547444

約数和(自身を除く): 17105285480

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 13986331, 27972662, 55945324, 265740289, 531480578, 1062961156, 5049065491, 10098130982, 20196261964]

約数ペア:

[(1, 20196261964), (2, 10098130982), (4, 5049065491), (19, 1062961156), (38, 531480578), (76, 265740289), (361, 55945324), (722, 27972662), (1444, 13986331)]