19387560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{161563}}^1$

素因数の和:161577

約数の個数: 32

約数和(自身を含む): 58163040

約数和(自身を除く): 38775480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 161563, 323126, 484689, 646252, 807815, 969378, 1292504, 1615630, 1938756, 2423445, 3231260, 3877512, 4846890, 6462520, 9693780, 19387560]

約数ペア:

[(1, 19387560), (2, 9693780), (3, 6462520), (4, 4846890), (5, 3877512), (6, 3231260), (8, 2423445), (10, 1938756), (12, 1615630), (15, 1292504), (20, 969378), (24, 807815), (30, 646252), (40, 484689), (60, 323126), (120, 161563)]