18319419

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:592

約数の個数: 32

約数和(自身を含む): 28723200

約数和(自身を除く): 10403781

約数列:

[1, 3, 9, 27, 31, 43, 93, 129, 279, 387, 509, 837, 1161, 1333, 1527, 3999, 4581, 11997, 13743, 15779, 21887, 35991, 47337, 65661, 142011, 196983, 426033, 590949, 678497, 2035491, 6106473, 18319419]

約数ペア:

[(1, 18319419), (3, 6106473), (9, 2035491), (27, 678497), (31, 590949), (43, 426033), (93, 196983), (129, 142011), (279, 65661), (387, 47337), (509, 35991), (837, 21887), (1161, 15779), (1333, 13743), (1527, 11997), (3999, 4581)]