1921551710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{399491}}^1$

素因数の和:399548

約数の個数: 32

約数和(自身を含む): 3825535392

約数和(自身を除く): 1903983682

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 399491, 798982, 1997455, 3994910, 5193383, 10386766, 14781167, 25966915, 29562334, 51933830, 73905835, 147811670, 192155171, 384310342, 960775855, 1921551710]

約数ペア:

[(1, 1921551710), (2, 960775855), (5, 384310342), (10, 192155171), (13, 147811670), (26, 73905835), (37, 51933830), (65, 29562334), (74, 25966915), (130, 14781167), (185, 10386766), (370, 5193383), (481, 3994910), (962, 1997455), (2405, 798982), (4810, 399491)]