19417420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{88261}}^1$

素因数の和:88281

約数の個数: 24

約数和(自身を含む): 44484048

約数和(自身を除く): 25066628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 88261, 176522, 353044, 441305, 882610, 970871, 1765220, 1941742, 3883484, 4854355, 9708710, 19417420]

約数ペア:

[(1, 19417420), (2, 9708710), (4, 4854355), (5, 3883484), (10, 1941742), (11, 1765220), (20, 970871), (22, 882610), (44, 441305), (55, 353044), (110, 176522), (220, 88261)]