19643456

素因数分解:

$2^6\times 7^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:451

約数の個数: 56

約数和(自身を含む): 44988480

約数和(自身を除く): 25345024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 163, 224, 269, 326, 448, 538, 652, 1076, 1141, 1304, 1883, 2152, 2282, 2608, 3766, 4304, 4564, 5216, 7532, 8608, 9128, 10432, 15064, 17216, 18256, 30128, 36512, 43847, 60256, 73024, 87694, 120512, 175388, 306929, 350776, 613858, 701552, 1227716, 1403104, 2455432, 2806208, 4910864, 9821728, 19643456]

約数ペア:

[(1, 19643456), (2, 9821728), (4, 4910864), (7, 2806208), (8, 2455432), (14, 1403104), (16, 1227716), (28, 701552), (32, 613858), (56, 350776), (64, 306929), (112, 175388), (163, 120512), (224, 87694), (269, 73024), (326, 60256), (448, 43847), (538, 36512), (652, 30128), (1076, 18256), (1141, 17216), (1304, 15064), (1883, 10432), (2152, 9128), (2282, 8608), (2608, 7532), (3766, 5216), (4304, 4564)]