18881142

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{4451}}^1$

素因数の和:4564

約数の個数: 32

約数和(自身を含む): 43593984

約数和(自身を除く): 24712842

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 101, 202, 303, 606, 707, 1414, 2121, 4242, 4451, 8902, 13353, 26706, 31157, 62314, 93471, 186942, 449551, 899102, 1348653, 2697306, 3146857, 6293714, 9440571, 18881142]

約数ペア:

[(1, 18881142), (2, 9440571), (3, 6293714), (6, 3146857), (7, 2697306), (14, 1348653), (21, 899102), (42, 449551), (101, 186942), (202, 93471), (303, 62314), (606, 31157), (707, 26706), (1414, 13353), (2121, 8902), (4242, 4451)]