18758220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24049}}^1$

素因数の和:24074

約数の個数: 48

約数和(自身を含む): 56565600

約数和(自身を除く): 37807380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 24049, 48098, 72147, 96196, 120245, 144294, 240490, 288588, 312637, 360735, 480980, 625274, 721470, 937911, 1250548, 1442940, 1563185, 1875822, 3126370, 3751644, 4689555, 6252740, 9379110, 18758220]

約数ペア:

[(1, 18758220), (2, 9379110), (3, 6252740), (4, 4689555), (5, 3751644), (6, 3126370), (10, 1875822), (12, 1563185), (13, 1442940), (15, 1250548), (20, 937911), (26, 721470), (30, 625274), (39, 480980), (52, 360735), (60, 312637), (65, 288588), (78, 240490), (130, 144294), (156, 120245), (195, 96196), (260, 72147), (390, 48098), (780, 24049)]