19479286730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1\times {\mathrm{2099}}^1$

素因数の和:2543

約数の個数: 64

約数和(自身を含む): 36981100800

約数和(自身を除く): 17501814070

約数列:

[1, 2, 5, 10, 23, 46, 115, 157, 230, 257, 314, 514, 785, 1285, 1570, 2099, 2570, 3611, 4198, 5911, 7222, 10495, 11822, 18055, 20990, 29555, 36110, 40349, 48277, 59110, 80698, 96554, 201745, 241385, 329543, 403490, 482770, 539443, 659086, 928027, 1078886, 1647715, 1856054, 2697215, 3295430, 4640135, 5394430, 7579489, 9280270, 12407189, 15158978, 24814378, 37897445, 62035945, 75794890, 84692551, 124071890, 169385102, 423462755, 846925510, 1947928673, 3895857346, 9739643365, 19479286730]

約数ペア:

[(1, 19479286730), (2, 9739643365), (5, 3895857346), (10, 1947928673), (23, 846925510), (46, 423462755), (115, 169385102), (157, 124071890), (230, 84692551), (257, 75794890), (314, 62035945), (514, 37897445), (785, 24814378), (1285, 15158978), (1570, 12407189), (2099, 9280270), (2570, 7579489), (3611, 5394430), (4198, 4640135), (5911, 3295430), (7222, 2697215), (10495, 1856054), (11822, 1647715), (18055, 1078886), (20990, 928027), (29555, 659086), (36110, 539443), (40349, 482770), (48277, 403490), (59110, 329543), (80698, 241385), (96554, 201745)]