19965720872

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{3331}}^1\times {\mathrm{24169}}^1$

素因数の和:27537

約数の個数: 32

約数和(自身を含む): 38656531200

約数和(自身を除く): 18690810328

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 3331, 6662, 13324, 24169, 26648, 48338, 96676, 103261, 193352, 206522, 413044, 749239, 826088, 1498478, 2996956, 5993912, 80506939, 161013878, 322027756, 644055512, 2495715109, 4991430218, 9982860436, 19965720872]

約数ペア:

[(1, 19965720872), (2, 9982860436), (4, 4991430218), (8, 2495715109), (31, 644055512), (62, 322027756), (124, 161013878), (248, 80506939), (3331, 5993912), (6662, 2996956), (13324, 1498478), (24169, 826088), (26648, 749239), (48338, 413044), (96676, 206522), (103261, 193352)]