19885112

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2693}}^1$

素因数の和:2783

約数の個数: 32

約数和(自身を含む): 40733280

約数和(自身を除く): 20848168

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1846, 2693, 3692, 5386, 7384, 10772, 21544, 35009, 70018, 140036, 191203, 280072, 382406, 764812, 1529624, 2485639, 4971278, 9942556, 19885112]

約数ペア:

[(1, 19885112), (2, 9942556), (4, 4971278), (8, 2485639), (13, 1529624), (26, 764812), (52, 382406), (71, 280072), (104, 191203), (142, 140036), (284, 70018), (568, 35009), (923, 21544), (1846, 10772), (2693, 7384), (3692, 5386)]