1915784

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{109}}^1$

素因数の和:154

約数の個数: 32

約数和(自身を含む): 3927000

約数和(自身を除く): 2011216

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 169, 218, 338, 436, 676, 872, 1352, 1417, 2197, 2834, 4394, 5668, 8788, 11336, 17576, 18421, 36842, 73684, 147368, 239473, 478946, 957892, 1915784]

約数ペア:

[(1, 1915784), (2, 957892), (4, 478946), (8, 239473), (13, 147368), (26, 73684), (52, 36842), (104, 18421), (109, 17576), (169, 11336), (218, 8788), (338, 5668), (436, 4394), (676, 2834), (872, 2197), (1352, 1417)]