18402850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 35997696

約数和(自身を除く): 17594846

約数列:

[1, 2, 5, 10, 25, 41, 47, 50, 82, 94, 191, 205, 235, 382, 410, 470, 955, 1025, 1175, 1910, 1927, 2050, 2350, 3854, 4775, 7831, 8977, 9550, 9635, 15662, 17954, 19270, 39155, 44885, 48175, 78310, 89770, 96350, 195775, 224425, 368057, 391550, 448850, 736114, 1840285, 3680570, 9201425, 18402850]

約数ペア:

[(1, 18402850), (2, 9201425), (5, 3680570), (10, 1840285), (25, 736114), (41, 448850), (47, 391550), (50, 368057), (82, 224425), (94, 195775), (191, 96350), (205, 89770), (235, 78310), (382, 48175), (410, 44885), (470, 39155), (955, 19270), (1025, 17954), (1175, 15662), (1910, 9635), (1927, 9550), (2050, 8977), (2350, 7831), (3854, 4775)]