18272306

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 30841776

約数和(自身を除く): 12569470

約数列:

[1, 2, 13, 26, 41, 61, 82, 122, 281, 533, 562, 793, 1066, 1586, 2501, 3653, 5002, 7306, 11521, 17141, 23042, 32513, 34282, 65026, 149773, 222833, 299546, 445666, 702781, 1405562, 9136153, 18272306]

約数ペア:

[(1, 18272306), (2, 9136153), (13, 1405562), (26, 702781), (41, 445666), (61, 299546), (82, 222833), (122, 149773), (281, 65026), (533, 34282), (562, 32513), (793, 23042), (1066, 17141), (1586, 11521), (2501, 7306), (3653, 5002)]