19519370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2833}}^1$

素因数の和:2906

約数の個数: 32

約数和(自身を含む): 38565072

約数和(自身を除く): 19045702

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 2833, 3445, 5666, 6890, 14165, 28330, 36829, 73658, 150149, 184145, 300298, 368290, 750745, 1501490, 1951937, 3903874, 9759685, 19519370]

約数ペア:

[(1, 19519370), (2, 9759685), (5, 3903874), (10, 1951937), (13, 1501490), (26, 750745), (53, 368290), (65, 300298), (106, 184145), (130, 150149), (265, 73658), (530, 36829), (689, 28330), (1378, 14165), (2833, 6890), (3445, 5666)]