19313921

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{577}}^1$

素因数の和:784

約数の個数: 16

約数和(自身を含む): 22472640

約数和(自身を除く): 3158719

約数列:

[1, 11, 17, 179, 187, 577, 1969, 3043, 6347, 9809, 33473, 103283, 107899, 1136113, 1755811, 19313921]

約数ペア:

[(1, 19313921), (11, 1755811), (17, 1136113), (179, 107899), (187, 103283), (577, 33473), (1969, 9809), (3043, 6347)]