19921212

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{757}}^1$

素因数の和:827

約数の個数: 72

約数和(自身を含む): 54630576

約数和(自身を除く): 34709364

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 43, 51, 68, 86, 102, 129, 153, 172, 204, 258, 306, 387, 516, 612, 731, 757, 774, 1462, 1514, 1548, 2193, 2271, 2924, 3028, 4386, 4542, 6579, 6813, 8772, 9084, 12869, 13158, 13626, 25738, 26316, 27252, 32551, 38607, 51476, 65102, 77214, 97653, 115821, 130204, 154428, 195306, 231642, 292959, 390612, 463284, 553367, 585918, 1106734, 1171836, 1660101, 2213468, 3320202, 4980303, 6640404, 9960606, 19921212]

約数ペア:

[(1, 19921212), (2, 9960606), (3, 6640404), (4, 4980303), (6, 3320202), (9, 2213468), (12, 1660101), (17, 1171836), (18, 1106734), (34, 585918), (36, 553367), (43, 463284), (51, 390612), (68, 292959), (86, 231642), (102, 195306), (129, 154428), (153, 130204), (172, 115821), (204, 97653), (258, 77214), (306, 65102), (387, 51476), (516, 38607), (612, 32551), (731, 27252), (757, 26316), (774, 25738), (1462, 13626), (1514, 13158), (1548, 12869), (2193, 9084), (2271, 8772), (2924, 6813), (3028, 6579), (4386, 4542)]