18812540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55331}}^1$

素因数の和:55357

約数の個数: 24

約数和(自身を含む): 41830992

約数和(自身を除く): 23018452

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 55331, 110662, 221324, 276655, 553310, 940627, 1106620, 1881254, 3762508, 4703135, 9406270, 18812540]

約数ペア:

[(1, 18812540), (2, 9406270), (4, 4703135), (5, 3762508), (10, 1881254), (17, 1106620), (20, 940627), (34, 553310), (68, 276655), (85, 221324), (170, 110662), (340, 55331)]