19720926

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{29611}}^1$

素因数の和:29656

約数の個数: 24

約数和(自身を含む): 43884984

約数和(自身を除く): 24164058

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 29611, 59222, 88833, 177666, 266499, 532998, 1095607, 2191214, 3286821, 6573642, 9860463, 19720926]

約数ペア:

[(1, 19720926), (2, 9860463), (3, 6573642), (6, 3286821), (9, 2191214), (18, 1095607), (37, 532998), (74, 266499), (111, 177666), (222, 88833), (333, 59222), (666, 29611)]