19925240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13463}}^1$

素因数の和:13511

約数の個数: 32

約数和(自身を含む): 46046880

約数和(自身を除く): 26121640

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 13463, 26926, 53852, 67315, 107704, 134630, 269260, 498131, 538520, 996262, 1992524, 2490655, 3985048, 4981310, 9962620, 19925240]

約数ペア:

[(1, 19925240), (2, 9962620), (4, 4981310), (5, 3985048), (8, 2490655), (10, 1992524), (20, 996262), (37, 538520), (40, 498131), (74, 269260), (148, 134630), (185, 107704), (296, 67315), (370, 53852), (740, 26926), (1480, 13463)]