18812910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4787}}^1$

素因数の和:4928

約数の個数: 32

約数和(自身を含む): 45505152

約数和(自身を除く): 26692242

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 4787, 9574, 14361, 23935, 28722, 47870, 71805, 143610, 627097, 1254194, 1881291, 3135485, 3762582, 6270970, 9406455, 18812910]

約数ペア:

[(1, 18812910), (2, 9406455), (3, 6270970), (5, 3762582), (6, 3135485), (10, 1881291), (15, 1254194), (30, 627097), (131, 143610), (262, 71805), (393, 47870), (655, 28722), (786, 23935), (1310, 14361), (1965, 9574), (3930, 4787)]