19050000

素因数分解:

$2^4\times 3^1\times 5^5\times {\mathrm{127}}^1$

素因数の和:163

約数の個数: 120

約数和(自身を含む): 61996032

約数和(自身を除く): 42946032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 125, 127, 150, 200, 240, 250, 254, 300, 375, 381, 400, 500, 508, 600, 625, 635, 750, 762, 1000, 1016, 1200, 1250, 1270, 1500, 1524, 1875, 1905, 2000, 2032, 2500, 2540, 3000, 3048, 3125, 3175, 3750, 3810, 5000, 5080, 6000, 6096, 6250, 6350, 7500, 7620, 9375, 9525, 10000, 10160, 12500, 12700, 15000, 15240, 15875, 18750, 19050, 25000, 25400, 30000, 30480, 31750, 37500, 38100, 47625, 50000, 50800, 63500, 75000, 76200, 79375, 95250, 127000, 150000, 152400, 158750, 190500, 238125, 254000, 317500, 381000, 396875, 476250, 635000, 762000, 793750, 952500, 1190625, 1270000, 1587500, 1905000, 2381250, 3175000, 3810000, 4762500, 6350000, 9525000, 19050000]

約数ペア:

[(1, 19050000), (2, 9525000), (3, 6350000), (4, 4762500), (5, 3810000), (6, 3175000), (8, 2381250), (10, 1905000), (12, 1587500), (15, 1270000), (16, 1190625), (20, 952500), (24, 793750), (25, 762000), (30, 635000), (40, 476250), (48, 396875), (50, 381000), (60, 317500), (75, 254000), (80, 238125), (100, 190500), (120, 158750), (125, 152400), (127, 150000), (150, 127000), (200, 95250), (240, 79375), (250, 76200), (254, 75000), (300, 63500), (375, 50800), (381, 50000), (400, 47625), (500, 38100), (508, 37500), (600, 31750), (625, 30480), (635, 30000), (750, 25400), (762, 25000), (1000, 19050), (1016, 18750), (1200, 15875), (1250, 15240), (1270, 15000), (1500, 12700), (1524, 12500), (1875, 10160), (1905, 10000), (2000, 9525), (2032, 9375), (2500, 7620), (2540, 7500), (3000, 6350), (3048, 6250), (3125, 6096), (3175, 6000), (3750, 5080), (3810, 5000)]