19542744

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20879}}^1$

素因数の和:20904

約数の個数: 48

約数和(自身を含む): 57002400

約数和(自身を除く): 37459656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 20879, 41758, 62637, 83516, 125274, 167032, 187911, 250548, 271427, 375822, 501096, 542854, 751644, 814281, 1085708, 1503288, 1628562, 2171416, 2442843, 3257124, 4885686, 6514248, 9771372, 19542744]

約数ペア:

[(1, 19542744), (2, 9771372), (3, 6514248), (4, 4885686), (6, 3257124), (8, 2442843), (9, 2171416), (12, 1628562), (13, 1503288), (18, 1085708), (24, 814281), (26, 751644), (36, 542854), (39, 501096), (52, 375822), (72, 271427), (78, 250548), (104, 187911), (117, 167032), (156, 125274), (234, 83516), (312, 62637), (468, 41758), (936, 20879)]