18996876368

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{126457}}^1$

素因数の和:126735

約数の個数: 40

約数和(自身を含む): 37869112680

約数和(自身を除く): 18872236312

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 229, 328, 458, 656, 916, 1832, 3664, 9389, 18778, 37556, 75112, 126457, 150224, 252914, 505828, 1011656, 2023312, 5184737, 10369474, 20738948, 28958653, 41477896, 57917306, 82955792, 115834612, 231669224, 463338448, 1187304773, 2374609546, 4749219092, 9498438184, 18996876368]

約数ペア:

[(1, 18996876368), (2, 9498438184), (4, 4749219092), (8, 2374609546), (16, 1187304773), (41, 463338448), (82, 231669224), (164, 115834612), (229, 82955792), (328, 57917306), (458, 41477896), (656, 28958653), (916, 20738948), (1832, 10369474), (3664, 5184737), (9389, 2023312), (18778, 1011656), (37556, 505828), (75112, 252914), (126457, 150224)]