18457866

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{557}}^1$

素因数の和:835

約数の個数: 48

約数和(自身を含む): 45961344

約数和(自身を除く): 27503478

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 263, 526, 557, 789, 1114, 1578, 1671, 1841, 2367, 3342, 3682, 3899, 4734, 5013, 5523, 7798, 10026, 11046, 11697, 16569, 23394, 33138, 35091, 70182, 146491, 292982, 439473, 878946, 1025437, 1318419, 2050874, 2636838, 3076311, 6152622, 9228933, 18457866]

約数ペア:

[(1, 18457866), (2, 9228933), (3, 6152622), (6, 3076311), (7, 2636838), (9, 2050874), (14, 1318419), (18, 1025437), (21, 878946), (42, 439473), (63, 292982), (126, 146491), (263, 70182), (526, 35091), (557, 33138), (789, 23394), (1114, 16569), (1578, 11697), (1671, 11046), (1841, 10026), (2367, 7798), (3342, 5523), (3682, 5013), (3899, 4734)]