18493930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20323}}^1$

素因数の和:20350

約数の個数: 32

約数和(自身を含む): 40973184

約数和(自身を除く): 22479254

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 20323, 40646, 101615, 142261, 203230, 264199, 284522, 528398, 711305, 1320995, 1422610, 1849393, 2641990, 3698786, 9246965, 18493930]

約数ペア:

[(1, 18493930), (2, 9246965), (5, 3698786), (7, 2641990), (10, 1849393), (13, 1422610), (14, 1320995), (26, 711305), (35, 528398), (65, 284522), (70, 264199), (91, 203230), (130, 142261), (182, 101615), (455, 40646), (910, 20323)]