18206660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53549}}^1$

素因数の和:53575

約数の個数: 24

約数和(自身を含む): 40483800

約数和(自身を除く): 22277140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 53549, 107098, 214196, 267745, 535490, 910333, 1070980, 1820666, 3641332, 4551665, 9103330, 18206660]

約数ペア:

[(1, 18206660), (2, 9103330), (4, 4551665), (5, 3641332), (10, 1820666), (17, 1070980), (20, 910333), (34, 535490), (68, 267745), (85, 214196), (170, 107098), (340, 53549)]