18338236

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 38950912

約数和(自身を除く): 20612676

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 62, 74, 124, 148, 217, 259, 434, 518, 571, 868, 1036, 1142, 1147, 2284, 2294, 3997, 4588, 7994, 8029, 15988, 16058, 17701, 21127, 32116, 35402, 42254, 70804, 84508, 123907, 147889, 247814, 295778, 495628, 591556, 654937, 1309874, 2619748, 4584559, 9169118, 18338236]

約数ペア:

[(1, 18338236), (2, 9169118), (4, 4584559), (7, 2619748), (14, 1309874), (28, 654937), (31, 591556), (37, 495628), (62, 295778), (74, 247814), (124, 147889), (148, 123907), (217, 84508), (259, 70804), (434, 42254), (518, 35402), (571, 32116), (868, 21127), (1036, 17701), (1142, 16058), (1147, 15988), (2284, 8029), (2294, 7994), (3997, 4588)]