1880761778

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{164431}}^1$

素因数の和:164502

約数の個数: 32

約数和(自身を含む): 3472803840

約数和(自身を除く): 1592042062

約数列:

[1, 2, 7, 14, 19, 38, 43, 86, 133, 266, 301, 602, 817, 1634, 5719, 11438, 164431, 328862, 1151017, 2302034, 3124189, 6248378, 7070533, 14141066, 21869323, 43738646, 49493731, 98987462, 134340127, 268680254, 940380889, 1880761778]

約数ペア:

[(1, 1880761778), (2, 940380889), (7, 268680254), (14, 134340127), (19, 98987462), (38, 49493731), (43, 43738646), (86, 21869323), (133, 14141066), (266, 7070533), (301, 6248378), (602, 3124189), (817, 2302034), (1634, 1151017), (5719, 328862), (11438, 164431)]