18929218

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1217}}^1$

素因数の和:1338

約数の個数: 32

約数和(自身を含む): 35779968

約数和(自身を除く): 16850750

約数列:

[1, 2, 7, 11, 14, 22, 77, 101, 154, 202, 707, 1111, 1217, 1414, 2222, 2434, 7777, 8519, 13387, 15554, 17038, 26774, 93709, 122917, 187418, 245834, 860419, 1352087, 1720838, 2704174, 9464609, 18929218]

約数ペア:

[(1, 18929218), (2, 9464609), (7, 2704174), (11, 1720838), (14, 1352087), (22, 860419), (77, 245834), (101, 187418), (154, 122917), (202, 93709), (707, 26774), (1111, 17038), (1217, 15554), (1414, 13387), (2222, 8519), (2434, 7777)]