18694792

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1321}}^1$

素因数の和:1417

約数の個数: 32

約数和(自身を含む): 36883800

約数和(自身を除く): 18189008

約数列:

[1, 2, 4, 8, 29, 58, 61, 116, 122, 232, 244, 488, 1321, 1769, 2642, 3538, 5284, 7076, 10568, 14152, 38309, 76618, 80581, 153236, 161162, 306472, 322324, 644648, 2336849, 4673698, 9347396, 18694792]

約数ペア:

[(1, 18694792), (2, 9347396), (4, 4673698), (8, 2336849), (29, 644648), (58, 322324), (61, 306472), (116, 161162), (122, 153236), (232, 80581), (244, 76618), (488, 38309), (1321, 14152), (1769, 10568), (2642, 7076), (3538, 5284)]