18232851

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:113

約数の個数: 64

約数和(自身を含む): 32256000

約数和(自身を除く): 14023149

約数列:

[1, 3, 7, 13, 21, 29, 39, 47, 49, 87, 91, 141, 147, 203, 273, 329, 343, 377, 609, 611, 637, 987, 1029, 1131, 1363, 1421, 1833, 1911, 2303, 2639, 4089, 4263, 4277, 4459, 6909, 7917, 9541, 9947, 12831, 13377, 16121, 17719, 18473, 28623, 29841, 29939, 48363, 53157, 55419, 66787, 89817, 124033, 129311, 200361, 209573, 372099, 387933, 467509, 628719, 868231, 1402527, 2604693, 6077617, 18232851]

約数ペア:

[(1, 18232851), (3, 6077617), (7, 2604693), (13, 1402527), (21, 868231), (29, 628719), (39, 467509), (47, 387933), (49, 372099), (87, 209573), (91, 200361), (141, 129311), (147, 124033), (203, 89817), (273, 66787), (329, 55419), (343, 53157), (377, 48363), (609, 29939), (611, 29841), (637, 28623), (987, 18473), (1029, 17719), (1131, 16121), (1363, 13377), (1421, 12831), (1833, 9947), (1911, 9541), (2303, 7917), (2639, 6909), (4089, 4459), (4263, 4277)]