19991130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15497}}^1$

素因数の和:15550

約数の個数: 32

約数和(自身を含む): 49097664

約数和(自身を除く): 29106534

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 15497, 30994, 46491, 77485, 92982, 154970, 232455, 464910, 666371, 1332742, 1999113, 3331855, 3998226, 6663710, 9995565, 19991130]

約数ペア:

[(1, 19991130), (2, 9995565), (3, 6663710), (5, 3998226), (6, 3331855), (10, 1999113), (15, 1332742), (30, 666371), (43, 464910), (86, 232455), (129, 154970), (215, 92982), (258, 77485), (430, 46491), (645, 30994), (1290, 15497)]