19898694

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:565

約数の個数: 48

約数和(自身を含む): 45012240

約数和(自身を除く): 25113546

約数列:

[1, 2, 3, 6, 9, 18, 41, 59, 82, 118, 123, 177, 246, 354, 369, 457, 531, 738, 914, 1062, 1371, 2419, 2742, 4113, 4838, 7257, 8226, 14514, 18737, 21771, 26963, 37474, 43542, 53926, 56211, 80889, 112422, 161778, 168633, 242667, 337266, 485334, 1105483, 2210966, 3316449, 6632898, 9949347, 19898694]

約数ペア:

[(1, 19898694), (2, 9949347), (3, 6632898), (6, 3316449), (9, 2210966), (18, 1105483), (41, 485334), (59, 337266), (82, 242667), (118, 168633), (123, 161778), (177, 112422), (246, 80889), (354, 56211), (369, 53926), (457, 43542), (531, 37474), (738, 26963), (914, 21771), (1062, 18737), (1371, 14514), (2419, 8226), (2742, 7257), (4113, 4838)]