19423508

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{487}}^1$

素因数の和:576

約数の個数: 36

約数和(自身を含む): 37507680

約数和(自身を除く): 18084172

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 169, 236, 338, 487, 676, 767, 974, 1534, 1948, 3068, 6331, 9971, 12662, 19942, 25324, 28733, 39884, 57466, 82303, 114932, 164606, 329212, 373529, 747058, 1494116, 4855877, 9711754, 19423508]

約数ペア:

[(1, 19423508), (2, 9711754), (4, 4855877), (13, 1494116), (26, 747058), (52, 373529), (59, 329212), (118, 164606), (169, 114932), (236, 82303), (338, 57466), (487, 39884), (676, 28733), (767, 25324), (974, 19942), (1534, 12662), (1948, 9971), (3068, 6331)]