19855216

素因数分解:

$2^4\times {\mathrm{229}}^1\times {\mathrm{5419}}^1$

素因数の和:5656

約数の個数: 20

約数和(自身を含む): 38644600

約数和(自身を除く): 18789384

約数列:

[1, 2, 4, 8, 16, 229, 458, 916, 1832, 3664, 5419, 10838, 21676, 43352, 86704, 1240951, 2481902, 4963804, 9927608, 19855216]

約数ペア:

[(1, 19855216), (2, 9927608), (4, 4963804), (8, 2481902), (16, 1240951), (229, 86704), (458, 43352), (916, 21676), (1832, 10838), (3664, 5419)]