18382910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20201}}^1$

素因数の和:20228

約数の個数: 32

約数和(自身を含む): 40727232

約数和(自身を除く): 22344322

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 20201, 40402, 101005, 141407, 202010, 262613, 282814, 525226, 707035, 1313065, 1414070, 1838291, 2626130, 3676582, 9191455, 18382910]

約数ペア:

[(1, 18382910), (2, 9191455), (5, 3676582), (7, 2626130), (10, 1838291), (13, 1414070), (14, 1313065), (26, 707035), (35, 525226), (65, 282814), (70, 262613), (91, 202010), (130, 141407), (182, 101005), (455, 40402), (910, 20201)]