40985318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1381}}^1$

素因数の和:1484

約数の個数: 32

約数和(自身を含む): 71642880

約数和(自身を除く): 30657562

約数列:

[1, 2, 11, 19, 22, 38, 71, 142, 209, 418, 781, 1349, 1381, 1562, 2698, 2762, 14839, 15191, 26239, 29678, 30382, 52478, 98051, 196102, 288629, 577258, 1078561, 1862969, 2157122, 3725938, 20492659, 40985318]

約数ペア:

[(1, 40985318), (2, 20492659), (11, 3725938), (19, 2157122), (22, 1862969), (38, 1078561), (71, 577258), (142, 288629), (209, 196102), (418, 98051), (781, 52478), (1349, 30382), (1381, 29678), (1562, 26239), (2698, 15191), (2762, 14839)]