18878308

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1307}}^1$

素因数の和:1491

約数の個数: 24

約数和(自身を含む): 34719552

約数和(自身を除く): 15841244

約数列:

[1, 2, 4, 23, 46, 92, 157, 314, 628, 1307, 2614, 3611, 5228, 7222, 14444, 30061, 60122, 120244, 205199, 410398, 820796, 4719577, 9439154, 18878308]

約数ペア:

[(1, 18878308), (2, 9439154), (4, 4719577), (23, 820796), (46, 410398), (92, 205199), (157, 120244), (314, 60122), (628, 30061), (1307, 14444), (2614, 7222), (3611, 5228)]