18029740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12697}}^1$

素因数の和:12777

約数の個数: 24

約数和(自身を含む): 38398752

約数和(自身を除く): 20369012

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 12697, 25394, 50788, 63485, 126970, 253940, 901487, 1802974, 3605948, 4507435, 9014870, 18029740]

約数ペア:

[(1, 18029740), (2, 9014870), (4, 4507435), (5, 3605948), (10, 1802974), (20, 901487), (71, 253940), (142, 126970), (284, 63485), (355, 50788), (710, 25394), (1420, 12697)]