18928

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2$

素因数の和:41

約数の個数: 30

約数和(自身を含む): 45384

約数和(自身を除く): 26456

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 676, 728, 1183, 1352, 1456, 2366, 2704, 4732, 9464, 18928]

約数ペア:

[(1, 18928), (2, 9464), (4, 4732), (7, 2704), (8, 2366), (13, 1456), (14, 1352), (16, 1183), (26, 728), (28, 676), (52, 364), (56, 338), (91, 208), (104, 182), (112, 169)]