18459770

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{373}}^1$

素因数の和:495

約数の個数: 48

約数和(自身を含む): 39139848

約数和(自身を除く): 20680078

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 101, 202, 245, 373, 490, 505, 707, 746, 1010, 1414, 1865, 2611, 3535, 3730, 4949, 5222, 7070, 9898, 13055, 18277, 24745, 26110, 36554, 37673, 49490, 75346, 91385, 182770, 188365, 263711, 376730, 527422, 1318555, 1845977, 2637110, 3691954, 9229885, 18459770]

約数ペア:

[(1, 18459770), (2, 9229885), (5, 3691954), (7, 2637110), (10, 1845977), (14, 1318555), (35, 527422), (49, 376730), (70, 263711), (98, 188365), (101, 182770), (202, 91385), (245, 75346), (373, 49490), (490, 37673), (505, 36554), (707, 26110), (746, 24745), (1010, 18277), (1414, 13055), (1865, 9898), (2611, 7070), (3535, 5222), (3730, 4949)]