19381460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19777}}^1$

素因数の和:19800

約数の個数: 36

約数和(自身を含む): 47348532

約数和(自身を除く): 27967072

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 19777, 39554, 79108, 98885, 138439, 197770, 276878, 395540, 553756, 692195, 969073, 1384390, 1938146, 2768780, 3876292, 4845365, 9690730, 19381460]

約数ペア:

[(1, 19381460), (2, 9690730), (4, 4845365), (5, 3876292), (7, 2768780), (10, 1938146), (14, 1384390), (20, 969073), (28, 692195), (35, 553756), (49, 395540), (70, 276878), (98, 197770), (140, 138439), (196, 98885), (245, 79108), (490, 39554), (980, 19777)]