19959538

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 33747840

約数和(自身を除く): 13788302

約数列:

[1, 2, 19, 23, 38, 41, 46, 82, 437, 557, 779, 874, 943, 1114, 1558, 1886, 10583, 12811, 17917, 21166, 22837, 25622, 35834, 45674, 243409, 433903, 486818, 525251, 867806, 1050502, 9979769, 19959538]

約数ペア:

[(1, 19959538), (2, 9979769), (19, 1050502), (23, 867806), (38, 525251), (41, 486818), (46, 433903), (82, 243409), (437, 45674), (557, 35834), (779, 25622), (874, 22837), (943, 21166), (1114, 17917), (1558, 12811), (1886, 10583)]