19702012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23567}}^1$

素因数の和:23601

約数の個数: 24

約数和(自身を含む): 39594240

約数和(自身を除く): 19892228

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 23567, 47134, 94268, 259237, 447773, 518474, 895546, 1036948, 1791092, 4925503, 9851006, 19702012]

約数ペア:

[(1, 19702012), (2, 9851006), (4, 4925503), (11, 1791092), (19, 1036948), (22, 895546), (38, 518474), (44, 447773), (76, 259237), (209, 94268), (418, 47134), (836, 23567)]