19210912

素因数分解:

$2^5\times 7^1\times {\mathrm{139}}^1\times {\mathrm{617}}^1$

素因数の和:773

約数の個数: 48

約数和(自身を含む): 43606080

約数和(自身を除く): 24395168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 139, 224, 278, 556, 617, 973, 1112, 1234, 1946, 2224, 2468, 3892, 4319, 4448, 4936, 7784, 8638, 9872, 15568, 17276, 19744, 31136, 34552, 69104, 85763, 138208, 171526, 343052, 600341, 686104, 1200682, 1372208, 2401364, 2744416, 4802728, 9605456, 19210912]

約数ペア:

[(1, 19210912), (2, 9605456), (4, 4802728), (7, 2744416), (8, 2401364), (14, 1372208), (16, 1200682), (28, 686104), (32, 600341), (56, 343052), (112, 171526), (139, 138208), (224, 85763), (278, 69104), (556, 34552), (617, 31136), (973, 19744), (1112, 17276), (1234, 15568), (1946, 9872), (2224, 8638), (2468, 7784), (3892, 4936), (4319, 4448)]