19456190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7877}}^1$

素因数の和:7916

約数の個数: 32

約数和(自身を含む): 39705120

約数和(自身を除く): 20248930

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 7877, 15754, 39385, 78770, 102401, 149663, 204802, 299326, 512005, 748315, 1024010, 1496630, 1945619, 3891238, 9728095, 19456190]

約数ペア:

[(1, 19456190), (2, 9728095), (5, 3891238), (10, 1945619), (13, 1496630), (19, 1024010), (26, 748315), (38, 512005), (65, 299326), (95, 204802), (130, 149663), (190, 102401), (247, 78770), (494, 39385), (1235, 15754), (2470, 7877)]