18969828

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 48646080

約数和(自身を除く): 29676252

約数列:

[1, 2, 3, 4, 6, 12, 19, 29, 38, 57, 58, 76, 87, 114, 116, 151, 174, 228, 302, 348, 361, 453, 551, 604, 722, 906, 1083, 1102, 1444, 1653, 1812, 2166, 2204, 2869, 3306, 4332, 4379, 5738, 6612, 8607, 8758, 10469, 11476, 13137, 17214, 17516, 20938, 26274, 31407, 34428, 41876, 52548, 54511, 62814, 83201, 109022, 125628, 163533, 166402, 218044, 249603, 327066, 332804, 499206, 654132, 998412, 1580819, 3161638, 4742457, 6323276, 9484914, 18969828]

約数ペア:

[(1, 18969828), (2, 9484914), (3, 6323276), (4, 4742457), (6, 3161638), (12, 1580819), (19, 998412), (29, 654132), (38, 499206), (57, 332804), (58, 327066), (76, 249603), (87, 218044), (114, 166402), (116, 163533), (151, 125628), (174, 109022), (228, 83201), (302, 62814), (348, 54511), (361, 52548), (453, 41876), (551, 34428), (604, 31407), (722, 26274), (906, 20938), (1083, 17516), (1102, 17214), (1444, 13137), (1653, 11476), (1812, 10469), (2166, 8758), (2204, 8607), (2869, 6612), (3306, 5738), (4332, 4379)]