19730721

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{5867}}^1$

素因数の和:5948

約数の個数: 16

約数和(自身を含む): 28166400

約数和(自身を除く): 8435679

約数列:

[1, 3, 19, 57, 59, 177, 1121, 3363, 5867, 17601, 111473, 334419, 346153, 1038459, 6576907, 19730721]

約数ペア:

[(1, 19730721), (3, 6576907), (19, 1038459), (57, 346153), (59, 334419), (177, 111473), (1121, 17601), (3363, 5867)]