19916253

素因数分解:

$3^3\times 7^1\times {\mathrm{167}}^1\times {\mathrm{631}}^1$

素因数の和:814

約数の個数: 32

約数和(自身を含む): 33976320

約数和(自身を除く): 14060067

約数列:

[1, 3, 7, 9, 21, 27, 63, 167, 189, 501, 631, 1169, 1503, 1893, 3507, 4417, 4509, 5679, 10521, 13251, 17037, 31563, 39753, 105377, 119259, 316131, 737639, 948393, 2212917, 2845179, 6638751, 19916253]

約数ペア:

[(1, 19916253), (3, 6638751), (7, 2845179), (9, 2212917), (21, 948393), (27, 737639), (63, 316131), (167, 119259), (189, 105377), (501, 39753), (631, 31563), (1169, 17037), (1503, 13251), (1893, 10521), (3507, 5679), (4417, 4509)]