18876851

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 24167808

約数和(自身を除く): 5290957

約数列:

[1, 7, 17, 41, 53, 73, 119, 287, 371, 511, 697, 901, 1241, 2173, 2993, 3869, 4879, 6307, 8687, 15211, 20951, 27083, 36941, 50881, 65773, 158629, 258587, 356167, 460411, 1110403, 2696693, 18876851]

約数ペア:

[(1, 18876851), (7, 2696693), (17, 1110403), (41, 460411), (53, 356167), (73, 258587), (119, 158629), (287, 65773), (371, 50881), (511, 36941), (697, 27083), (901, 20951), (1241, 15211), (2173, 8687), (2993, 6307), (3869, 4879)]