18153590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19949}}^1$

素因数の和:19976

約数の個数: 32

約数和(自身を含む): 40219200

約数和(自身を除く): 22065610

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 19949, 39898, 99745, 139643, 199490, 259337, 279286, 518674, 698215, 1296685, 1396430, 1815359, 2593370, 3630718, 9076795, 18153590]

約数ペア:

[(1, 18153590), (2, 9076795), (5, 3630718), (7, 2593370), (10, 1815359), (13, 1396430), (14, 1296685), (26, 698215), (35, 518674), (65, 279286), (70, 259337), (91, 199490), (130, 139643), (182, 99745), (455, 39898), (910, 19949)]