19489188

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{293}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 47811456

約数和(自身を除く): 28322268

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 241, 276, 293, 482, 586, 723, 879, 964, 1172, 1446, 1758, 2892, 3516, 5543, 6739, 11086, 13478, 16629, 20217, 22172, 26956, 33258, 40434, 66516, 70613, 80868, 141226, 211839, 282452, 423678, 847356, 1624099, 3248198, 4872297, 6496396, 9744594, 19489188]

約数ペア:

[(1, 19489188), (2, 9744594), (3, 6496396), (4, 4872297), (6, 3248198), (12, 1624099), (23, 847356), (46, 423678), (69, 282452), (92, 211839), (138, 141226), (241, 80868), (276, 70613), (293, 66516), (482, 40434), (586, 33258), (723, 26956), (879, 22172), (964, 20217), (1172, 16629), (1446, 13478), (1758, 11086), (2892, 6739), (3516, 5543)]