19157427280

素因数分解:

$2^4\times 5^1\times {\mathrm{3011}}^1\times {\mathrm{79531}}^1$

素因数の和:82555

約数の個数: 40

約数和(自身を含む): 44556371424

約数和(自身を除く): 25398944144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3011, 6022, 12044, 15055, 24088, 30110, 48176, 60220, 79531, 120440, 159062, 240880, 318124, 397655, 636248, 795310, 1272496, 1590620, 3181240, 6362480, 239467841, 478935682, 957871364, 1197339205, 1915742728, 2394678410, 3831485456, 4789356820, 9578713640, 19157427280]

約数ペア:

[(1, 19157427280), (2, 9578713640), (4, 4789356820), (5, 3831485456), (8, 2394678410), (10, 1915742728), (16, 1197339205), (20, 957871364), (40, 478935682), (80, 239467841), (3011, 6362480), (6022, 3181240), (12044, 1590620), (15055, 1272496), (24088, 795310), (30110, 636248), (48176, 397655), (60220, 318124), (79531, 240880), (120440, 159062)]