19827188

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1$

素因数の和:611

約数の個数: 24

約数和(自身を含む): 35405832

約数和(自身を除く): 15578644

約数列:

[1, 2, 4, 97, 137, 194, 274, 373, 388, 548, 746, 1492, 13289, 26578, 36181, 51101, 53156, 72362, 102202, 144724, 204404, 4956797, 9913594, 19827188]

約数ペア:

[(1, 19827188), (2, 9913594), (4, 4956797), (97, 204404), (137, 144724), (194, 102202), (274, 72362), (373, 53156), (388, 51101), (548, 36181), (746, 26578), (1492, 13289)]