19515672820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3399943}}^1$

素因数の和:3400000

約数の個数: 48

約数和(自身を含む): 47980009728

約数和(自身を除く): 28464336908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 3399943, 6799886, 13599772, 16999715, 23799601, 33999430, 47599202, 67998860, 95198404, 118998005, 139397663, 237996010, 278795326, 475992020, 557590652, 696988315, 975783641, 1393976630, 1951567282, 2787953260, 3903134564, 4878918205, 9757836410, 19515672820]

約数ペア:

[(1, 19515672820), (2, 9757836410), (4, 4878918205), (5, 3903134564), (7, 2787953260), (10, 1951567282), (14, 1393976630), (20, 975783641), (28, 696988315), (35, 557590652), (41, 475992020), (70, 278795326), (82, 237996010), (140, 139397663), (164, 118998005), (205, 95198404), (287, 67998860), (410, 47599202), (574, 33999430), (820, 23799601), (1148, 16999715), (1435, 13599772), (2870, 6799886), (5740, 3399943)]