19741820672

素因数分解:

$2^8\times 7^1\times {\mathrm{251}}^1\times {\mathrm{43891}}^1$

素因数の和:44165

約数の個数: 72

約数和(自身を含む): 45216484992

約数和(自身を除く): 25474664320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 251, 256, 448, 502, 896, 1004, 1757, 1792, 2008, 3514, 4016, 7028, 8032, 14056, 16064, 28112, 32128, 43891, 56224, 64256, 87782, 112448, 175564, 224896, 307237, 351128, 449792, 614474, 702256, 1228948, 1404512, 2457896, 2809024, 4915792, 5618048, 9831584, 11016641, 11236096, 19663168, 22033282, 39326336, 44066564, 77116487, 78652672, 88133128, 154232974, 176266256, 308465948, 352532512, 616931896, 705065024, 1233863792, 1410130048, 2467727584, 2820260096, 4935455168, 9870910336, 19741820672]

約数ペア:

[(1, 19741820672), (2, 9870910336), (4, 4935455168), (7, 2820260096), (8, 2467727584), (14, 1410130048), (16, 1233863792), (28, 705065024), (32, 616931896), (56, 352532512), (64, 308465948), (112, 176266256), (128, 154232974), (224, 88133128), (251, 78652672), (256, 77116487), (448, 44066564), (502, 39326336), (896, 22033282), (1004, 19663168), (1757, 11236096), (1792, 11016641), (2008, 9831584), (3514, 5618048), (4016, 4915792), (7028, 2809024), (8032, 2457896), (14056, 1404512), (16064, 1228948), (28112, 702256), (32128, 614474), (43891, 449792), (56224, 351128), (64256, 307237), (87782, 224896), (112448, 175564)]