19991670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2459}}^1$

素因数の和:2740

約数の個数: 32

約数和(自身を含む): 48176640

約数和(自身を除く): 28184970

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 271, 542, 813, 1355, 1626, 2459, 2710, 4065, 4918, 7377, 8130, 12295, 14754, 24590, 36885, 73770, 666389, 1332778, 1999167, 3331945, 3998334, 6663890, 9995835, 19991670]

約数ペア:

[(1, 19991670), (2, 9995835), (3, 6663890), (5, 3998334), (6, 3331945), (10, 1999167), (15, 1332778), (30, 666389), (271, 73770), (542, 36885), (813, 24590), (1355, 14754), (1626, 12295), (2459, 8130), (2710, 7377), (4065, 4918)]