19450900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{751}}^1$

素因数の和:809

約数の個数: 72

約数和(自身を含む): 49607936

約数和(自身を除く): 30157036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 50, 70, 74, 100, 140, 148, 175, 185, 259, 350, 370, 518, 700, 740, 751, 925, 1036, 1295, 1502, 1850, 2590, 3004, 3700, 3755, 5180, 5257, 6475, 7510, 10514, 12950, 15020, 18775, 21028, 25900, 26285, 27787, 37550, 52570, 55574, 75100, 105140, 111148, 131425, 138935, 194509, 262850, 277870, 389018, 525700, 555740, 694675, 778036, 972545, 1389350, 1945090, 2778700, 3890180, 4862725, 9725450, 19450900]

約数ペア:

[(1, 19450900), (2, 9725450), (4, 4862725), (5, 3890180), (7, 2778700), (10, 1945090), (14, 1389350), (20, 972545), (25, 778036), (28, 694675), (35, 555740), (37, 525700), (50, 389018), (70, 277870), (74, 262850), (100, 194509), (140, 138935), (148, 131425), (175, 111148), (185, 105140), (259, 75100), (350, 55574), (370, 52570), (518, 37550), (700, 27787), (740, 26285), (751, 25900), (925, 21028), (1036, 18775), (1295, 15020), (1502, 12950), (1850, 10514), (2590, 7510), (3004, 6475), (3700, 5257), (3755, 5180)]