18735720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{156131}}^1$

素因数の和:156145

約数の個数: 32

約数和(自身を含む): 56207520

約数和(自身を除く): 37471800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 156131, 312262, 468393, 624524, 780655, 936786, 1249048, 1561310, 1873572, 2341965, 3122620, 3747144, 4683930, 6245240, 9367860, 18735720]

約数ペア:

[(1, 18735720), (2, 9367860), (3, 6245240), (4, 4683930), (5, 3747144), (6, 3122620), (8, 2341965), (10, 1873572), (12, 1561310), (15, 1249048), (20, 936786), (24, 780655), (30, 624524), (40, 468393), (60, 312262), (120, 156131)]