18358119

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 30270240

約数和(自身を除く): 11912121

約数列:

[1, 3, 9, 13, 39, 41, 43, 89, 117, 123, 129, 267, 369, 387, 533, 559, 801, 1157, 1599, 1677, 1763, 3471, 3649, 3827, 4797, 5031, 5289, 10413, 10947, 11481, 15867, 22919, 32841, 34443, 47437, 49751, 68757, 142311, 149253, 156907, 206271, 426933, 447759, 470721, 1412163, 2039791, 6119373, 18358119]

約数ペア:

[(1, 18358119), (3, 6119373), (9, 2039791), (13, 1412163), (39, 470721), (41, 447759), (43, 426933), (89, 206271), (117, 156907), (123, 149253), (129, 142311), (267, 68757), (369, 49751), (387, 47437), (533, 34443), (559, 32841), (801, 22919), (1157, 15867), (1599, 11481), (1677, 10947), (1763, 10413), (3471, 5289), (3649, 5031), (3827, 4797)]