18992826

素因数分解:

$2^1\times 3^3\times {\mathrm{509}}^1\times {\mathrm{691}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 42350400

約数和(自身を除く): 23357574

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 509, 691, 1018, 1382, 1527, 2073, 3054, 4146, 4581, 6219, 9162, 12438, 13743, 18657, 27486, 37314, 351719, 703438, 1055157, 2110314, 3165471, 6330942, 9496413, 18992826]

約数ペア:

[(1, 18992826), (2, 9496413), (3, 6330942), (6, 3165471), (9, 2110314), (18, 1055157), (27, 703438), (54, 351719), (509, 37314), (691, 27486), (1018, 18657), (1382, 13743), (1527, 12438), (2073, 9162), (3054, 6219), (4146, 4581)]