19703476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 20939084

約数列:

[1, 2, 4, 13, 17, 26, 31, 34, 52, 62, 68, 124, 221, 403, 442, 527, 719, 806, 884, 1054, 1438, 1612, 2108, 2876, 6851, 9347, 12223, 13702, 18694, 22289, 24446, 27404, 37388, 44578, 48892, 89156, 158899, 289757, 317798, 378913, 579514, 635596, 757826, 1159028, 1515652, 4925869, 9851738, 19703476]

約数ペア:

[(1, 19703476), (2, 9851738), (4, 4925869), (13, 1515652), (17, 1159028), (26, 757826), (31, 635596), (34, 579514), (52, 378913), (62, 317798), (68, 289757), (124, 158899), (221, 89156), (403, 48892), (442, 44578), (527, 37388), (719, 27404), (806, 24446), (884, 22289), (1054, 18694), (1438, 13702), (1612, 12223), (2108, 9347), (2876, 6851)]