19829744

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{367}}^1$

素因数の和:693

約数の個数: 40

約数和(自身を含む): 42163968

約数和(自身を除く): 22334224

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 307, 367, 614, 734, 1228, 1468, 2456, 2936, 3377, 4037, 4912, 5872, 6754, 8074, 13508, 16148, 27016, 32296, 54032, 64592, 112669, 225338, 450676, 901352, 1239359, 1802704, 2478718, 4957436, 9914872, 19829744]

約数ペア:

[(1, 19829744), (2, 9914872), (4, 4957436), (8, 2478718), (11, 1802704), (16, 1239359), (22, 901352), (44, 450676), (88, 225338), (176, 112669), (307, 64592), (367, 54032), (614, 32296), (734, 27016), (1228, 16148), (1468, 13508), (2456, 8074), (2936, 6754), (3377, 5872), (4037, 4912)]