18838391032

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{320861}}^1$

素因数の和:321087

約数の個数: 32

約数和(自身を含む): 36385750800

約数和(自身を除く): 17547359768

約数列:

[1, 2, 4, 8, 41, 82, 164, 179, 328, 358, 716, 1432, 7339, 14678, 29356, 58712, 320861, 641722, 1283444, 2566888, 13155301, 26310602, 52621204, 57434119, 105242408, 114868238, 229736476, 459472952, 2354798879, 4709597758, 9419195516, 18838391032]

約数ペア:

[(1, 18838391032), (2, 9419195516), (4, 4709597758), (8, 2354798879), (41, 459472952), (82, 229736476), (164, 114868238), (179, 105242408), (328, 57434119), (358, 52621204), (716, 26310602), (1432, 13155301), (7339, 2566888), (14678, 1283444), (29356, 641722), (58712, 320861)]