19363820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19759}}^1$

素因数の和:19782

約数の個数: 36

約数和(自身を含む): 47305440

約数和(自身を除く): 27941620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 19759, 39518, 79036, 98795, 138313, 197590, 276626, 395180, 553252, 691565, 968191, 1383130, 1936382, 2766260, 3872764, 4840955, 9681910, 19363820]

約数ペア:

[(1, 19363820), (2, 9681910), (4, 4840955), (5, 3872764), (7, 2766260), (10, 1936382), (14, 1383130), (20, 968191), (28, 691565), (35, 553252), (49, 395180), (70, 276626), (98, 197590), (140, 138313), (196, 98795), (245, 79036), (490, 39518), (980, 19759)]