18777738

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23531}}^1$

素因数の和:23562

約数の個数: 32

約数和(自身を含む): 45181440

約数和(自身を除く): 26403702

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 23531, 47062, 70593, 141186, 164717, 329434, 447089, 494151, 894178, 988302, 1341267, 2682534, 3129623, 6259246, 9388869, 18777738]

約数ペア:

[(1, 18777738), (2, 9388869), (3, 6259246), (6, 3129623), (7, 2682534), (14, 1341267), (19, 988302), (21, 894178), (38, 494151), (42, 447089), (57, 329434), (114, 164717), (133, 141186), (266, 70593), (399, 47062), (798, 23531)]