18890650

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{5639}}^1$

素因数の和:5718

約数の個数: 24

約数和(自身を含む): 35667360

約数和(自身を除く): 16776710

約数列:

[1, 2, 5, 10, 25, 50, 67, 134, 335, 670, 1675, 3350, 5639, 11278, 28195, 56390, 140975, 281950, 377813, 755626, 1889065, 3778130, 9445325, 18890650]

約数ペア:

[(1, 18890650), (2, 9445325), (5, 3778130), (10, 1889065), (25, 755626), (50, 377813), (67, 281950), (134, 140975), (335, 56390), (670, 28195), (1675, 11278), (3350, 5639)]