18379340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2477}}^1$

素因数の和:2546

約数の個数: 48

約数和(自身を含む): 44960832

約数和(自身を除く): 26581492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 2477, 3710, 4954, 7420, 9908, 12385, 17339, 24770, 34678, 49540, 69356, 86695, 131281, 173390, 262562, 346780, 525124, 656405, 918967, 1312810, 1837934, 2625620, 3675868, 4594835, 9189670, 18379340]

約数ペア:

[(1, 18379340), (2, 9189670), (4, 4594835), (5, 3675868), (7, 2625620), (10, 1837934), (14, 1312810), (20, 918967), (28, 656405), (35, 525124), (53, 346780), (70, 262562), (106, 173390), (140, 131281), (212, 86695), (265, 69356), (371, 49540), (530, 34678), (742, 24770), (1060, 17339), (1484, 12385), (1855, 9908), (2477, 7420), (3710, 4954)]