19494160

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4973}}^1$

素因数の和:5000

約数の個数: 60

約数和(自身を含む): 52734348

約数和(自身を除く): 33240188

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4973, 9946, 19892, 24865, 34811, 39784, 49730, 69622, 79568, 99460, 139244, 174055, 198920, 243677, 278488, 348110, 397840, 487354, 556976, 696220, 974708, 1218385, 1392440, 1949416, 2436770, 2784880, 3898832, 4873540, 9747080, 19494160]

約数ペア:

[(1, 19494160), (2, 9747080), (4, 4873540), (5, 3898832), (7, 2784880), (8, 2436770), (10, 1949416), (14, 1392440), (16, 1218385), (20, 974708), (28, 696220), (35, 556976), (40, 487354), (49, 397840), (56, 348110), (70, 278488), (80, 243677), (98, 198920), (112, 174055), (140, 139244), (196, 99460), (245, 79568), (280, 69622), (392, 49730), (490, 39784), (560, 34811), (784, 24865), (980, 19892), (1960, 9946), (3920, 4973)]