18404964

素因数分解:

$2^2\times 3^2\times {\mathrm{461}}^1\times {\mathrm{1109}}^1$

素因数の和:1580

約数の個数: 36

約数和(自身を含む): 46666620

約数和(自身を除く): 28261656

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 461, 922, 1109, 1383, 1844, 2218, 2766, 3327, 4149, 4436, 5532, 6654, 8298, 9981, 13308, 16596, 19962, 39924, 511249, 1022498, 1533747, 2044996, 3067494, 4601241, 6134988, 9202482, 18404964]

約数ペア:

[(1, 18404964), (2, 9202482), (3, 6134988), (4, 4601241), (6, 3067494), (9, 2044996), (12, 1533747), (18, 1022498), (36, 511249), (461, 39924), (922, 19962), (1109, 16596), (1383, 13308), (1844, 9981), (2218, 8298), (2766, 6654), (3327, 5532), (4149, 4436)]