19624360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:770

約数の個数: 64

約数和(自身を含む): 51004800

約数和(自身を除く): 31380440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 643, 763, 872, 1090, 1286, 1526, 2180, 2572, 3052, 3215, 3815, 4360, 4501, 5144, 6104, 6430, 7630, 9002, 12860, 15260, 18004, 22505, 25720, 30520, 36008, 45010, 70087, 90020, 140174, 180040, 280348, 350435, 490609, 560696, 700870, 981218, 1401740, 1962436, 2453045, 2803480, 3924872, 4906090, 9812180, 19624360]

約数ペア:

[(1, 19624360), (2, 9812180), (4, 4906090), (5, 3924872), (7, 2803480), (8, 2453045), (10, 1962436), (14, 1401740), (20, 981218), (28, 700870), (35, 560696), (40, 490609), (56, 350435), (70, 280348), (109, 180040), (140, 140174), (218, 90020), (280, 70087), (436, 45010), (545, 36008), (643, 30520), (763, 25720), (872, 22505), (1090, 18004), (1286, 15260), (1526, 12860), (2180, 9002), (2572, 7630), (3052, 6430), (3215, 6104), (3815, 5144), (4360, 4501)]