19281372

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 50883840

約数和(自身を除く): 31602468

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 43, 44, 66, 79, 86, 129, 132, 158, 172, 237, 258, 316, 473, 474, 516, 869, 946, 948, 1419, 1738, 1849, 1892, 2607, 2838, 3397, 3476, 3698, 5214, 5547, 5676, 6794, 7396, 10191, 10428, 11094, 13588, 20339, 20382, 22188, 37367, 40678, 40764, 61017, 74734, 81356, 112101, 122034, 146071, 149468, 224202, 244068, 292142, 438213, 448404, 584284, 876426, 1606781, 1752852, 3213562, 4820343, 6427124, 9640686, 19281372]

約数ペア:

[(1, 19281372), (2, 9640686), (3, 6427124), (4, 4820343), (6, 3213562), (11, 1752852), (12, 1606781), (22, 876426), (33, 584284), (43, 448404), (44, 438213), (66, 292142), (79, 244068), (86, 224202), (129, 149468), (132, 146071), (158, 122034), (172, 112101), (237, 81356), (258, 74734), (316, 61017), (473, 40764), (474, 40678), (516, 37367), (869, 22188), (946, 20382), (948, 20339), (1419, 13588), (1738, 11094), (1849, 10428), (1892, 10191), (2607, 7396), (2838, 6794), (3397, 5676), (3476, 5547), (3698, 5214)]