61719220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{162419}}^1$

素因数の和:162447

約数の個数: 24

約数和(自身を含む): 136432800

約数和(自身を除く): 74713580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 162419, 324838, 649676, 812095, 1624190, 3085961, 3248380, 6171922, 12343844, 15429805, 30859610, 61719220]

約数ペア:

[(1, 61719220), (2, 30859610), (4, 15429805), (5, 12343844), (10, 6171922), (19, 3248380), (20, 3085961), (38, 1624190), (76, 812095), (95, 649676), (190, 324838), (380, 162419)]