19880340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331339}}^1$

素因数の和:331351

約数の個数: 24

約数和(自身を含む): 55665120

約数和(自身を除く): 35784780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331339, 662678, 994017, 1325356, 1656695, 1988034, 3313390, 3976068, 4970085, 6626780, 9940170, 19880340]

約数ペア:

[(1, 19880340), (2, 9940170), (3, 6626780), (4, 4970085), (5, 3976068), (6, 3313390), (10, 1988034), (12, 1656695), (15, 1325356), (20, 994017), (30, 662678), (60, 331339)]