18914672

素因数分解:

$2^4\times 7^1\times {\mathrm{281}}^1\times {\mathrm{601}}^1$

素因数の和:897

約数の個数: 40

約数和(自身を含む): 42101472

約数和(自身を除く): 23186800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 281, 562, 601, 1124, 1202, 1967, 2248, 2404, 3934, 4207, 4496, 4808, 7868, 8414, 9616, 15736, 16828, 31472, 33656, 67312, 168881, 337762, 675524, 1182167, 1351048, 2364334, 2702096, 4728668, 9457336, 18914672]

約数ペア:

[(1, 18914672), (2, 9457336), (4, 4728668), (7, 2702096), (8, 2364334), (14, 1351048), (16, 1182167), (28, 675524), (56, 337762), (112, 168881), (281, 67312), (562, 33656), (601, 31472), (1124, 16828), (1202, 15736), (1967, 9616), (2248, 8414), (2404, 7868), (3934, 4808), (4207, 4496)]