18344961

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:307

約数の個数: 40

約数和(自身を含む): 29388480

約数和(自身を除く): 11043519

約数列:

[1, 3, 9, 23, 27, 43, 69, 81, 129, 207, 229, 387, 621, 687, 989, 1161, 1863, 2061, 2967, 3483, 5267, 6183, 8901, 9847, 15801, 18549, 26703, 29541, 47403, 80109, 88623, 142209, 226481, 265869, 426627, 679443, 797607, 2038329, 6114987, 18344961]

約数ペア:

[(1, 18344961), (3, 6114987), (9, 2038329), (23, 797607), (27, 679443), (43, 426627), (69, 265869), (81, 226481), (129, 142209), (207, 88623), (229, 80109), (387, 47403), (621, 29541), (687, 26703), (989, 18549), (1161, 15801), (1863, 9847), (2061, 8901), (2967, 6183), (3483, 5267)]