19702936

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1237}}^1$

素因数の和:1435

約数の個数: 32

約数和(自身を含む): 40556880

約数和(自身を除く): 20853944

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 181, 362, 724, 1237, 1448, 1991, 2474, 3982, 4948, 7964, 9896, 13607, 15928, 27214, 54428, 108856, 223897, 447794, 895588, 1791176, 2462867, 4925734, 9851468, 19702936]

約数ペア:

[(1, 19702936), (2, 9851468), (4, 4925734), (8, 2462867), (11, 1791176), (22, 895588), (44, 447794), (88, 223897), (181, 108856), (362, 54428), (724, 27214), (1237, 15928), (1448, 13607), (1991, 9896), (2474, 7964), (3982, 4948)]