19727940608

素因数分解:

$2^{10}\times {\mathrm{37}}^1\times {\mathrm{520691}}^1$

素因数の和:520748

約数の個数: 44

約数和(自身を含む): 40502547912

約数和(自身を除く): 20774607304

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 256, 296, 512, 592, 1024, 1184, 2368, 4736, 9472, 18944, 37888, 520691, 1041382, 2082764, 4165528, 8331056, 16662112, 19265567, 33324224, 38531134, 66648448, 77062268, 133296896, 154124536, 266593792, 308249072, 533187584, 616498144, 1232996288, 2465992576, 4931985152, 9863970304, 19727940608]

約数ペア:

[(1, 19727940608), (2, 9863970304), (4, 4931985152), (8, 2465992576), (16, 1232996288), (32, 616498144), (37, 533187584), (64, 308249072), (74, 266593792), (128, 154124536), (148, 133296896), (256, 77062268), (296, 66648448), (512, 38531134), (592, 33324224), (1024, 19265567), (1184, 16662112), (2368, 8331056), (4736, 4165528), (9472, 2082764), (18944, 1041382), (37888, 520691)]