19633808

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6229}}^1$

素因数の和:6434

約数の個数: 20

約数和(自身を含む): 38239740

約数和(自身を除く): 18605932

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6229, 12458, 24916, 49832, 99664, 1227113, 2454226, 4908452, 9816904, 19633808]

約数ペア:

[(1, 19633808), (2, 9816904), (4, 4908452), (8, 2454226), (16, 1227113), (197, 99664), (394, 49832), (788, 24916), (1576, 12458), (3152, 6229)]