19693856

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6763}}^1$

素因数の和:6793

約数の個数: 48

約数和(自身を含む): 47726784

約数和(自身を除く): 28032928

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6763, 13526, 27052, 47341, 54104, 87919, 94682, 108208, 175838, 189364, 216416, 351676, 378728, 615433, 703352, 757456, 1230866, 1406704, 1514912, 2461732, 2813408, 4923464, 9846928, 19693856]

約数ペア:

[(1, 19693856), (2, 9846928), (4, 4923464), (7, 2813408), (8, 2461732), (13, 1514912), (14, 1406704), (16, 1230866), (26, 757456), (28, 703352), (32, 615433), (52, 378728), (56, 351676), (91, 216416), (104, 189364), (112, 175838), (182, 108208), (208, 94682), (224, 87919), (364, 54104), (416, 47341), (728, 27052), (1456, 13526), (2912, 6763)]