19448940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{46307}}^1$

素因数の和:46326

約数の個数: 48

約数和(自身を含む): 62237952

約数和(自身を除く): 42789012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 46307, 92614, 138921, 185228, 231535, 277842, 324149, 463070, 555684, 648298, 694605, 926140, 972447, 1296596, 1389210, 1620745, 1944894, 2778420, 3241490, 3889788, 4862235, 6482980, 9724470, 19448940]

約数ペア:

[(1, 19448940), (2, 9724470), (3, 6482980), (4, 4862235), (5, 3889788), (6, 3241490), (7, 2778420), (10, 1944894), (12, 1620745), (14, 1389210), (15, 1296596), (20, 972447), (21, 926140), (28, 694605), (30, 648298), (35, 555684), (42, 463070), (60, 324149), (70, 277842), (84, 231535), (105, 185228), (140, 138921), (210, 92614), (420, 46307)]