19808810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6581}}^1$

素因数の和:6638

約数の個数: 32

約数和(自身を含む): 41703552

約数和(自身を除く): 21894742

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 6581, 13162, 32905, 46067, 65810, 92134, 230335, 282983, 460670, 565966, 1414915, 1980881, 2829830, 3961762, 9904405, 19808810]

約数ペア:

[(1, 19808810), (2, 9904405), (5, 3961762), (7, 2829830), (10, 1980881), (14, 1414915), (35, 565966), (43, 460670), (70, 282983), (86, 230335), (215, 92134), (301, 65810), (430, 46067), (602, 32905), (1505, 13162), (3010, 6581)]