18219660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2011}}^1$

素因数の和:2174

約数の個数: 48

約数和(自身を含む): 51378432

約数和(自身を除く): 33158772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 151, 302, 453, 604, 755, 906, 1510, 1812, 2011, 2265, 3020, 4022, 4530, 6033, 8044, 9060, 10055, 12066, 20110, 24132, 30165, 40220, 60330, 120660, 303661, 607322, 910983, 1214644, 1518305, 1821966, 3036610, 3643932, 4554915, 6073220, 9109830, 18219660]

約数ペア:

[(1, 18219660), (2, 9109830), (3, 6073220), (4, 4554915), (5, 3643932), (6, 3036610), (10, 1821966), (12, 1518305), (15, 1214644), (20, 910983), (30, 607322), (60, 303661), (151, 120660), (302, 60330), (453, 40220), (604, 30165), (755, 24132), (906, 20110), (1510, 12066), (1812, 10055), (2011, 9060), (2265, 8044), (3020, 6033), (4022, 4530)]