1819226620

素因数分解:

$2^2\times 5^1\times {\mathrm{6427}}^1\times {\mathrm{14153}}^1$

素因数の和:20589

約数の個数: 24

約数和(自身を含む): 3821240304

約数和(自身を除く): 2002013684

約数列:

[1, 2, 4, 5, 10, 20, 6427, 12854, 14153, 25708, 28306, 32135, 56612, 64270, 70765, 128540, 141530, 283060, 90961331, 181922662, 363845324, 454806655, 909613310, 1819226620]

約数ペア:

[(1, 1819226620), (2, 909613310), (4, 454806655), (5, 363845324), (10, 181922662), (20, 90961331), (6427, 283060), (12854, 141530), (14153, 128540), (25708, 70765), (28306, 64270), (32135, 56612)]