18678348

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{373}}^1$

素因数の和:503

約数の個数: 72

約数和(自身を含む): 51459408

約数和(自身を除く): 32781060

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 107, 117, 156, 214, 234, 321, 373, 428, 468, 642, 746, 963, 1119, 1284, 1391, 1492, 1926, 2238, 2782, 3357, 3852, 4173, 4476, 4849, 5564, 6714, 8346, 9698, 12519, 13428, 14547, 16692, 19396, 25038, 29094, 39911, 43641, 50076, 58188, 79822, 87282, 119733, 159644, 174564, 239466, 359199, 478932, 518843, 718398, 1037686, 1436796, 1556529, 2075372, 3113058, 4669587, 6226116, 9339174, 18678348]

約数ペア:

[(1, 18678348), (2, 9339174), (3, 6226116), (4, 4669587), (6, 3113058), (9, 2075372), (12, 1556529), (13, 1436796), (18, 1037686), (26, 718398), (36, 518843), (39, 478932), (52, 359199), (78, 239466), (107, 174564), (117, 159644), (156, 119733), (214, 87282), (234, 79822), (321, 58188), (373, 50076), (428, 43641), (468, 39911), (642, 29094), (746, 25038), (963, 19396), (1119, 16692), (1284, 14547), (1391, 13428), (1492, 12519), (1926, 9698), (2238, 8346), (2782, 6714), (3357, 5564), (3852, 4849), (4173, 4476)]