18640188

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{10567}}^1$

素因数の和:10591

約数の個数: 54

約数和(自身を含む): 54816216

約数和(自身を除く): 36176028

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 10567, 21134, 31701, 42268, 63402, 73969, 95103, 126804, 147938, 190206, 221907, 295876, 380412, 443814, 517783, 665721, 887628, 1035566, 1331442, 1553349, 2071132, 2662884, 3106698, 4660047, 6213396, 9320094, 18640188]

約数ペア:

[(1, 18640188), (2, 9320094), (3, 6213396), (4, 4660047), (6, 3106698), (7, 2662884), (9, 2071132), (12, 1553349), (14, 1331442), (18, 1035566), (21, 887628), (28, 665721), (36, 517783), (42, 443814), (49, 380412), (63, 295876), (84, 221907), (98, 190206), (126, 147938), (147, 126804), (196, 95103), (252, 73969), (294, 63402), (441, 42268), (588, 31701), (882, 21134), (1764, 10567)]