19816784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95273}}^1$

素因数の和:95294

約数の個数: 20

約数和(自身を含む): 41348916

約数和(自身を除く): 21532132

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95273, 190546, 381092, 762184, 1238549, 1524368, 2477098, 4954196, 9908392, 19816784]

約数ペア:

[(1, 19816784), (2, 9908392), (4, 4954196), (8, 2477098), (13, 1524368), (16, 1238549), (26, 762184), (52, 381092), (104, 190546), (208, 95273)]