18958910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{487}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 36365760

約数和(自身を除く): 17406850

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 229, 458, 487, 974, 1145, 2290, 2435, 3893, 4870, 7786, 8279, 16558, 19465, 38930, 41395, 82790, 111523, 223046, 557615, 1115230, 1895891, 3791782, 9479455, 18958910]

約数ペア:

[(1, 18958910), (2, 9479455), (5, 3791782), (10, 1895891), (17, 1115230), (34, 557615), (85, 223046), (170, 111523), (229, 82790), (458, 41395), (487, 38930), (974, 19465), (1145, 16558), (2290, 8279), (2435, 7786), (3893, 4870)]