19947492

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{9721}}^1$

素因数の和:9753

約数の個数: 48

約数和(自身を含む): 54443200

約数和(自身を除く): 34495708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 9721, 19442, 29163, 38884, 58326, 87489, 116652, 174978, 184699, 262467, 349956, 369398, 524934, 554097, 738796, 1049868, 1108194, 1662291, 2216388, 3324582, 4986873, 6649164, 9973746, 19947492]

約数ペア:

[(1, 19947492), (2, 9973746), (3, 6649164), (4, 4986873), (6, 3324582), (9, 2216388), (12, 1662291), (18, 1108194), (19, 1049868), (27, 738796), (36, 554097), (38, 524934), (54, 369398), (57, 349956), (76, 262467), (108, 184699), (114, 174978), (171, 116652), (228, 87489), (342, 58326), (513, 38884), (684, 29163), (1026, 19442), (2052, 9721)]