19403190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2729}}^1$

素因数の和:2821

約数の個数: 48

約数和(自身を含む): 51105600

約数和(自身を除く): 31702410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 395, 474, 711, 790, 1185, 1422, 2370, 2729, 3555, 5458, 7110, 8187, 13645, 16374, 24561, 27290, 40935, 49122, 81870, 122805, 215591, 245610, 431182, 646773, 1077955, 1293546, 1940319, 2155910, 3233865, 3880638, 6467730, 9701595, 19403190]

約数ペア:

[(1, 19403190), (2, 9701595), (3, 6467730), (5, 3880638), (6, 3233865), (9, 2155910), (10, 1940319), (15, 1293546), (18, 1077955), (30, 646773), (45, 431182), (79, 245610), (90, 215591), (158, 122805), (237, 81870), (395, 49122), (474, 40935), (711, 27290), (790, 24561), (1185, 16374), (1422, 13645), (2370, 8187), (2729, 7110), (3555, 5458)]