18700242

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 43352064

約数和(自身を除く): 24651822

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 97, 127, 138, 194, 253, 254, 291, 381, 506, 582, 759, 762, 1067, 1397, 1518, 2134, 2231, 2794, 2921, 3201, 4191, 4462, 5842, 6402, 6693, 8382, 8763, 12319, 13386, 17526, 24541, 24638, 32131, 36957, 49082, 64262, 73623, 73914, 96393, 135509, 147246, 192786, 271018, 283337, 406527, 566674, 813054, 850011, 1700022, 3116707, 6233414, 9350121, 18700242]

約数ペア:

[(1, 18700242), (2, 9350121), (3, 6233414), (6, 3116707), (11, 1700022), (22, 850011), (23, 813054), (33, 566674), (46, 406527), (66, 283337), (69, 271018), (97, 192786), (127, 147246), (138, 135509), (194, 96393), (253, 73914), (254, 73623), (291, 64262), (381, 49082), (506, 36957), (582, 32131), (759, 24638), (762, 24541), (1067, 17526), (1397, 13386), (1518, 12319), (2134, 8763), (2231, 8382), (2794, 6693), (2921, 6402), (3201, 5842), (4191, 4462)]