18979456

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{5113}}^1$

素因数の和:5156

約数の個数: 32

約数和(自身を含む): 39122100

約数和(自身を除く): 20142644

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 464, 928, 1856, 3712, 5113, 10226, 20452, 40904, 81808, 148277, 163616, 296554, 327232, 593108, 654464, 1186216, 2372432, 4744864, 9489728, 18979456]

約数ペア:

[(1, 18979456), (2, 9489728), (4, 4744864), (8, 2372432), (16, 1186216), (29, 654464), (32, 593108), (58, 327232), (64, 296554), (116, 163616), (128, 148277), (232, 81808), (464, 40904), (928, 20452), (1856, 10226), (3712, 5113)]