19447960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{69457}}^1$

素因数の和:69475

約数の個数: 32

約数和(自身を含む): 50009760

約数和(自身を除く): 30561800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 69457, 138914, 277828, 347285, 486199, 555656, 694570, 972398, 1389140, 1944796, 2430995, 2778280, 3889592, 4861990, 9723980, 19447960]

約数ペア:

[(1, 19447960), (2, 9723980), (4, 4861990), (5, 3889592), (7, 2778280), (8, 2430995), (10, 1944796), (14, 1389140), (20, 972398), (28, 694570), (35, 555656), (40, 486199), (56, 347285), (70, 277828), (140, 138914), (280, 69457)]