81984430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{39227}}^1$

素因数の和:39264

約数の個数: 32

約数和(自身を含む): 169464960

約数和(自身を除く): 87480530

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 39227, 78454, 196135, 392270, 431497, 745313, 862994, 1490626, 2157485, 3726565, 4314970, 7453130, 8198443, 16396886, 40992215, 81984430]

約数ペア:

[(1, 81984430), (2, 40992215), (5, 16396886), (10, 8198443), (11, 7453130), (19, 4314970), (22, 3726565), (38, 2157485), (55, 1490626), (95, 862994), (110, 745313), (190, 431497), (209, 392270), (418, 196135), (1045, 78454), (2090, 39227)]