19874452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1669}}^1$

素因数の和:1915

約数の個数: 24

約数和(自身を含む): 37641800

約数和(自身を除く): 17767348

約数列:

[1, 2, 4, 13, 26, 52, 229, 458, 916, 1669, 2977, 3338, 5954, 6676, 11908, 21697, 43394, 86788, 382201, 764402, 1528804, 4968613, 9937226, 19874452]

約数ペア:

[(1, 19874452), (2, 9937226), (4, 4968613), (13, 1528804), (26, 764402), (52, 382201), (229, 86788), (458, 43394), (916, 21697), (1669, 11908), (2977, 6676), (3338, 5954)]