19446140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19843}}^1$

素因数の和:19866

約数の個数: 36

約数和(自身を含む): 47506536

約数和(自身を除く): 28060396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 19843, 39686, 79372, 99215, 138901, 198430, 277802, 396860, 555604, 694505, 972307, 1389010, 1944614, 2778020, 3889228, 4861535, 9723070, 19446140]

約数ペア:

[(1, 19446140), (2, 9723070), (4, 4861535), (5, 3889228), (7, 2778020), (10, 1944614), (14, 1389010), (20, 972307), (28, 694505), (35, 555604), (49, 396860), (70, 277802), (98, 198430), (140, 138901), (196, 99215), (245, 79372), (490, 39686), (980, 19843)]