18391860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11353}}^1$

素因数の和:11374

約数の個数: 60

約数和(自身を含む): 57701028

約数和(自身を除く): 39309168

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 11353, 22706, 34059, 45412, 56765, 68118, 102177, 113530, 136236, 170295, 204354, 227060, 306531, 340590, 408708, 510885, 613062, 681180, 919593, 1021770, 1226124, 1532655, 1839186, 2043540, 3065310, 3678372, 4597965, 6130620, 9195930, 18391860]

約数ペア:

[(1, 18391860), (2, 9195930), (3, 6130620), (4, 4597965), (5, 3678372), (6, 3065310), (9, 2043540), (10, 1839186), (12, 1532655), (15, 1226124), (18, 1021770), (20, 919593), (27, 681180), (30, 613062), (36, 510885), (45, 408708), (54, 340590), (60, 306531), (81, 227060), (90, 204354), (108, 170295), (135, 136236), (162, 113530), (180, 102177), (270, 68118), (324, 56765), (405, 45412), (540, 34059), (810, 22706), (1620, 11353)]