18289702990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3271861}}^1$

素因数の和:3271924

約数の個数: 32

約数和(自身を含む): 36278405856

約数和(自身を除く): 17988702866

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 3271861, 6543722, 16359305, 32718610, 42534193, 85068386, 140690023, 212670965, 281380046, 425341930, 703450115, 1406900230, 1828970299, 3657940598, 9144851495, 18289702990]

約数ペア:

[(1, 18289702990), (2, 9144851495), (5, 3657940598), (10, 1828970299), (13, 1406900230), (26, 703450115), (43, 425341930), (65, 281380046), (86, 212670965), (130, 140690023), (215, 85068386), (430, 42534193), (559, 32718610), (1118, 16359305), (2795, 6543722), (5590, 3271861)]