18431644

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 41827968

約数和(自身を除く): 23396324

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 83, 98, 103, 154, 166, 196, 206, 308, 332, 412, 539, 581, 721, 913, 1078, 1133, 1162, 1442, 1826, 2156, 2266, 2324, 2884, 3652, 4067, 4532, 5047, 6391, 7931, 8134, 8549, 10094, 12782, 15862, 16268, 17098, 20188, 25564, 31724, 34196, 44737, 55517, 59843, 89474, 94039, 111034, 119686, 178948, 188078, 222068, 239372, 376156, 418901, 658273, 837802, 1316546, 1675604, 2633092, 4607911, 9215822, 18431644]

約数ペア:

[(1, 18431644), (2, 9215822), (4, 4607911), (7, 2633092), (11, 1675604), (14, 1316546), (22, 837802), (28, 658273), (44, 418901), (49, 376156), (77, 239372), (83, 222068), (98, 188078), (103, 178948), (154, 119686), (166, 111034), (196, 94039), (206, 89474), (308, 59843), (332, 55517), (412, 44737), (539, 34196), (581, 31724), (721, 25564), (913, 20188), (1078, 17098), (1133, 16268), (1162, 15862), (1442, 12782), (1826, 10094), (2156, 8549), (2266, 8134), (2324, 7931), (2884, 6391), (3652, 5047), (4067, 4532)]