18446680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{65881}}^1$

素因数の和:65899

約数の個数: 32

約数和(自身を含む): 47435040

約数和(自身を除く): 28988360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 65881, 131762, 263524, 329405, 461167, 527048, 658810, 922334, 1317620, 1844668, 2305835, 2635240, 3689336, 4611670, 9223340, 18446680]

約数ペア:

[(1, 18446680), (2, 9223340), (4, 4611670), (5, 3689336), (7, 2635240), (8, 2305835), (10, 1844668), (14, 1317620), (20, 922334), (28, 658810), (35, 527048), (40, 461167), (56, 329405), (70, 263524), (140, 131762), (280, 65881)]