19581820

素因数分解:

$2^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1613}}^1$

素因数の和:2229

約数の個数: 24

約数和(自身を含む): 41215104

約数和(自身を除く): 21633284

約数列:

[1, 2, 4, 5, 10, 20, 607, 1214, 1613, 2428, 3035, 3226, 6070, 6452, 8065, 12140, 16130, 32260, 979091, 1958182, 3916364, 4895455, 9790910, 19581820]

約数ペア:

[(1, 19581820), (2, 9790910), (4, 4895455), (5, 3916364), (10, 1958182), (20, 979091), (607, 32260), (1214, 16130), (1613, 12140), (2428, 8065), (3035, 6452), (3226, 6070)]