15211804

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{13159}}^1$

素因数の和:13197

約数の個数: 18

約数和(自身を含む): 28280840

約数和(自身を除く): 13069036

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 13159, 26318, 52636, 223703, 447406, 894812, 3802951, 7605902, 15211804]

約数ペア:

[(1, 15211804), (2, 7605902), (4, 3802951), (17, 894812), (34, 447406), (68, 223703), (289, 52636), (578, 26318), (1156, 13159)]