19813806

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{887}}^1$

素因数の和:985

約数の個数: 48

約数和(自身を含む): 46129824

約数和(自身を除く): 26316018

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 73, 102, 146, 153, 219, 306, 438, 657, 887, 1241, 1314, 1774, 2482, 2661, 3723, 5322, 7446, 7983, 11169, 15079, 15966, 22338, 30158, 45237, 64751, 90474, 129502, 135711, 194253, 271422, 388506, 582759, 1100767, 1165518, 2201534, 3302301, 6604602, 9906903, 19813806]

約数ペア:

[(1, 19813806), (2, 9906903), (3, 6604602), (6, 3302301), (9, 2201534), (17, 1165518), (18, 1100767), (34, 582759), (51, 388506), (73, 271422), (102, 194253), (146, 135711), (153, 129502), (219, 90474), (306, 64751), (438, 45237), (657, 30158), (887, 22338), (1241, 15966), (1314, 15079), (1774, 11169), (2482, 7983), (2661, 7446), (3723, 5322)]