18468008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{743}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 19029592

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 239, 478, 743, 956, 1486, 1912, 2972, 3107, 5944, 6214, 9659, 12428, 19318, 24856, 38636, 77272, 177577, 355154, 710308, 1420616, 2308501, 4617002, 9234004, 18468008]

約数ペア:

[(1, 18468008), (2, 9234004), (4, 4617002), (8, 2308501), (13, 1420616), (26, 710308), (52, 355154), (104, 177577), (239, 77272), (478, 38636), (743, 24856), (956, 19318), (1486, 12428), (1912, 9659), (2972, 6214), (3107, 5944)]