18517898

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:602

約数の個数: 32

約数和(自身を含む): 33454080

約数和(自身を除く): 14936182

約数列:

[1, 2, 7, 14, 23, 46, 131, 161, 262, 322, 439, 878, 917, 1834, 3013, 3073, 6026, 6146, 10097, 20194, 21091, 42182, 57509, 70679, 115018, 141358, 402563, 805126, 1322707, 2645414, 9258949, 18517898]

約数ペア:

[(1, 18517898), (2, 9258949), (7, 2645414), (14, 1322707), (23, 805126), (46, 402563), (131, 141358), (161, 115018), (262, 70679), (322, 57509), (439, 42182), (878, 21091), (917, 20194), (1834, 10097), (3013, 6146), (3073, 6026)]