19547918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 33116160

約数和(自身を除く): 13568242

約数列:

[1, 2, 13, 26, 31, 62, 79, 158, 307, 403, 614, 806, 1027, 2054, 2449, 3991, 4898, 7982, 9517, 19034, 24253, 31837, 48506, 63674, 123721, 247442, 315289, 630578, 751843, 1503686, 9773959, 19547918]

約数ペア:

[(1, 19547918), (2, 9773959), (13, 1503686), (26, 751843), (31, 630578), (62, 315289), (79, 247442), (158, 123721), (307, 63674), (403, 48506), (614, 31837), (806, 24253), (1027, 19034), (2054, 9517), (2449, 7982), (3991, 4898)]