18533009

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 23224320

約数和(自身を除く): 4691311

約数列:

[1, 11, 17, 23, 31, 139, 187, 253, 341, 391, 527, 713, 1529, 2363, 3197, 4301, 4309, 5797, 7843, 12121, 25993, 35167, 47399, 54349, 73253, 99107, 133331, 597839, 805783, 1090177, 1684819, 18533009]

約数ペア:

[(1, 18533009), (11, 1684819), (17, 1090177), (23, 805783), (31, 597839), (139, 133331), (187, 99107), (253, 73253), (341, 54349), (391, 47399), (527, 35167), (713, 25993), (1529, 12121), (2363, 7843), (3197, 5797), (4301, 4309)]