19040420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19429}}^1$

素因数の和:19452

約数の個数: 36

約数和(自身を含む): 46515420

約数和(自身を除く): 27475000

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 19429, 38858, 77716, 97145, 136003, 194290, 272006, 388580, 544012, 680015, 952021, 1360030, 1904042, 2720060, 3808084, 4760105, 9520210, 19040420]

約数ペア:

[(1, 19040420), (2, 9520210), (4, 4760105), (5, 3808084), (7, 2720060), (10, 1904042), (14, 1360030), (20, 952021), (28, 680015), (35, 544012), (49, 388580), (70, 272006), (98, 194290), (140, 136003), (196, 97145), (245, 77716), (490, 38858), (980, 19429)]