19872256

素因数分解:

$2^9\times {\mathrm{37}}^1\times {\mathrm{1049}}^1$

素因数の和:1104

約数の個数: 40

約数和(自身を含む): 40817700

約数和(自身を除く): 20945444

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 256, 296, 512, 592, 1049, 1184, 2098, 2368, 4196, 4736, 8392, 9472, 16784, 18944, 33568, 38813, 67136, 77626, 134272, 155252, 268544, 310504, 537088, 621008, 1242016, 2484032, 4968064, 9936128, 19872256]

約数ペア:

[(1, 19872256), (2, 9936128), (4, 4968064), (8, 2484032), (16, 1242016), (32, 621008), (37, 537088), (64, 310504), (74, 268544), (128, 155252), (148, 134272), (256, 77626), (296, 67136), (512, 38813), (592, 33568), (1049, 18944), (1184, 16784), (2098, 9472), (2368, 8392), (4196, 4736)]