1898611328

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{780679}}^1$

素因数の和:780712

約数の個数: 32

約数和(自身を含む): 3981468000

約数和(自身を除く): 2082856672

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 780679, 1561358, 3122716, 6245432, 12490864, 14832901, 24981728, 29665802, 49963456, 59331604, 99926912, 118663208, 237326416, 474652832, 949305664, 1898611328]

約数ペア:

[(1, 1898611328), (2, 949305664), (4, 474652832), (8, 237326416), (16, 118663208), (19, 99926912), (32, 59331604), (38, 49963456), (64, 29665802), (76, 24981728), (128, 14832901), (152, 12490864), (304, 6245432), (608, 3122716), (1216, 1561358), (2432, 780679)]