19754768

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1049}}^1$

素因数の和:1175

約数の個数: 40

約数和(自身を含む): 42184800

約数和(自身を除く): 22430032

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 107, 176, 214, 428, 856, 1049, 1177, 1712, 2098, 2354, 4196, 4708, 8392, 9416, 11539, 16784, 18832, 23078, 46156, 92312, 112243, 184624, 224486, 448972, 897944, 1234673, 1795888, 2469346, 4938692, 9877384, 19754768]

約数ペア:

[(1, 19754768), (2, 9877384), (4, 4938692), (8, 2469346), (11, 1795888), (16, 1234673), (22, 897944), (44, 448972), (88, 224486), (107, 184624), (176, 112243), (214, 92312), (428, 46156), (856, 23078), (1049, 18832), (1177, 16784), (1712, 11539), (2098, 9416), (2354, 8392), (4196, 4708)]