19051900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1601}}^1$

素因数の和:1639

約数の個数: 72

約数和(自身を含む): 50059296

約数和(自身を除く): 31007396

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 140, 170, 175, 238, 340, 350, 425, 476, 595, 700, 850, 1190, 1601, 1700, 2380, 2975, 3202, 5950, 6404, 8005, 11207, 11900, 16010, 22414, 27217, 32020, 40025, 44828, 54434, 56035, 80050, 108868, 112070, 136085, 160100, 190519, 224140, 272170, 280175, 381038, 544340, 560350, 680425, 762076, 952595, 1120700, 1360850, 1905190, 2721700, 3810380, 4762975, 9525950, 19051900]

約数ペア:

[(1, 19051900), (2, 9525950), (4, 4762975), (5, 3810380), (7, 2721700), (10, 1905190), (14, 1360850), (17, 1120700), (20, 952595), (25, 762076), (28, 680425), (34, 560350), (35, 544340), (50, 381038), (68, 280175), (70, 272170), (85, 224140), (100, 190519), (119, 160100), (140, 136085), (170, 112070), (175, 108868), (238, 80050), (340, 56035), (350, 54434), (425, 44828), (476, 40025), (595, 32020), (700, 27217), (850, 22414), (1190, 16010), (1601, 11900), (1700, 11207), (2380, 8005), (2975, 6404), (3202, 5950)]