17955950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 36091440

約数和(自身を除く): 18135490

約数列:

[1, 2, 5, 10, 19, 25, 38, 41, 50, 82, 95, 190, 205, 410, 461, 475, 779, 922, 950, 1025, 1558, 2050, 2305, 3895, 4610, 7790, 8759, 11525, 17518, 18901, 19475, 23050, 37802, 38950, 43795, 87590, 94505, 189010, 218975, 359119, 437950, 472525, 718238, 945050, 1795595, 3591190, 8977975, 17955950]

約数ペア:

[(1, 17955950), (2, 8977975), (5, 3591190), (10, 1795595), (19, 945050), (25, 718238), (38, 472525), (41, 437950), (50, 359119), (82, 218975), (95, 189010), (190, 94505), (205, 87590), (410, 43795), (461, 38950), (475, 37802), (779, 23050), (922, 19475), (950, 18901), (1025, 17518), (1558, 11525), (2050, 8759), (2305, 7790), (3895, 4610)]