19659904

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13963}}^1$

素因数の和:13988

約数の個数: 32

約数和(自身を含む): 42729840

約数和(自身を除く): 23069936

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 13963, 27926, 55852, 111704, 153593, 223408, 307186, 446816, 614372, 893632, 1228744, 1787264, 2457488, 4914976, 9829952, 19659904]

約数ペア:

[(1, 19659904), (2, 9829952), (4, 4914976), (8, 2457488), (11, 1787264), (16, 1228744), (22, 893632), (32, 614372), (44, 446816), (64, 307186), (88, 223408), (128, 153593), (176, 111704), (352, 55852), (704, 27926), (1408, 13963)]