31817628

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 85459920

約数和(自身を除く): 53642292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 181, 228, 257, 342, 362, 514, 543, 684, 724, 771, 1028, 1086, 1542, 1629, 2172, 2313, 3084, 3258, 3439, 4626, 4883, 6516, 6878, 9252, 9766, 10317, 13756, 14649, 19532, 20634, 29298, 30951, 41268, 43947, 46517, 58596, 61902, 87894, 93034, 123804, 139551, 175788, 186068, 279102, 418653, 558204, 837306, 883823, 1674612, 1767646, 2651469, 3535292, 5302938, 7954407, 10605876, 15908814, 31817628]

約数ペア:

[(1, 31817628), (2, 15908814), (3, 10605876), (4, 7954407), (6, 5302938), (9, 3535292), (12, 2651469), (18, 1767646), (19, 1674612), (36, 883823), (38, 837306), (57, 558204), (76, 418653), (114, 279102), (171, 186068), (181, 175788), (228, 139551), (257, 123804), (342, 93034), (362, 87894), (514, 61902), (543, 58596), (684, 46517), (724, 43947), (771, 41268), (1028, 30951), (1086, 29298), (1542, 20634), (1629, 19532), (2172, 14649), (2313, 13756), (3084, 10317), (3258, 9766), (3439, 9252), (4626, 6878), (4883, 6516)]