18706668

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 45239040

約数和(自身を除く): 26532372

約数列:

[1, 2, 3, 4, 6, 12, 53, 67, 106, 134, 159, 201, 212, 268, 318, 402, 439, 636, 804, 878, 1317, 1756, 2634, 3551, 5268, 7102, 10653, 14204, 21306, 23267, 29413, 42612, 46534, 58826, 69801, 88239, 93068, 117652, 139602, 176478, 279204, 352956, 1558889, 3117778, 4676667, 6235556, 9353334, 18706668]

約数ペア:

[(1, 18706668), (2, 9353334), (3, 6235556), (4, 4676667), (6, 3117778), (12, 1558889), (53, 352956), (67, 279204), (106, 176478), (134, 139602), (159, 117652), (201, 93068), (212, 88239), (268, 69801), (318, 58826), (402, 46534), (439, 42612), (636, 29413), (804, 23267), (878, 21306), (1317, 14204), (1756, 10653), (2634, 7102), (3551, 5268)]