19129420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56263}}^1$

素因数の和:56289

約数の個数: 24

約数和(自身を含む): 42535584

約数和(自身を除く): 23406164

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 56263, 112526, 225052, 281315, 562630, 956471, 1125260, 1912942, 3825884, 4782355, 9564710, 19129420]

約数ペア:

[(1, 19129420), (2, 9564710), (4, 4782355), (5, 3825884), (10, 1912942), (17, 1125260), (20, 956471), (34, 562630), (68, 281315), (85, 225052), (170, 112526), (340, 56263)]