18169172

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 38465280

約数和(自身を除く): 20296108

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 89, 92, 161, 178, 317, 322, 356, 623, 634, 644, 1246, 1268, 2047, 2219, 2492, 4094, 4438, 7291, 8188, 8876, 14329, 14582, 28213, 28658, 29164, 51037, 56426, 57316, 102074, 112852, 197491, 204148, 394982, 648899, 789964, 1297798, 2595596, 4542293, 9084586, 18169172]

約数ペア:

[(1, 18169172), (2, 9084586), (4, 4542293), (7, 2595596), (14, 1297798), (23, 789964), (28, 648899), (46, 394982), (89, 204148), (92, 197491), (161, 112852), (178, 102074), (317, 57316), (322, 56426), (356, 51037), (623, 29164), (634, 28658), (644, 28213), (1246, 14582), (1268, 14329), (2047, 8876), (2219, 8188), (2492, 7291), (4094, 4438)]