18705990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{1699}}^1$

素因数の和:2076

約数の個数: 32

約数和(自身を含む): 45043200

約数和(自身を除く): 26337210

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 367, 734, 1101, 1699, 1835, 2202, 3398, 3670, 5097, 5505, 8495, 10194, 11010, 16990, 25485, 50970, 623533, 1247066, 1870599, 3117665, 3741198, 6235330, 9352995, 18705990]

約数ペア:

[(1, 18705990), (2, 9352995), (3, 6235330), (5, 3741198), (6, 3117665), (10, 1870599), (15, 1247066), (30, 623533), (367, 50970), (734, 25485), (1101, 16990), (1699, 11010), (1835, 10194), (2202, 8495), (3398, 5505), (3670, 5097)]