19365640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{69163}}^1$

素因数の和:69181

約数の個数: 32

約数和(自身を含む): 49798080

約数和(自身を除く): 30432440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 69163, 138326, 276652, 345815, 484141, 553304, 691630, 968282, 1383260, 1936564, 2420705, 2766520, 3873128, 4841410, 9682820, 19365640]

約数ペア:

[(1, 19365640), (2, 9682820), (4, 4841410), (5, 3873128), (7, 2766520), (8, 2420705), (10, 1936564), (14, 1383260), (20, 968282), (28, 691630), (35, 553304), (40, 484141), (56, 345815), (70, 276652), (140, 138326), (280, 69163)]