19382909080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11818847}}^1$

素因数の和:11818899

約数の個数: 32

約数和(自身を含む): 44675245440

約数和(自身を除く): 25292336360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 11818847, 23637694, 47275388, 59094235, 94550776, 118188470, 236376940, 472753880, 484572727, 969145454, 1938290908, 2422863635, 3876581816, 4845727270, 9691454540, 19382909080]

約数ペア:

[(1, 19382909080), (2, 9691454540), (4, 4845727270), (5, 3876581816), (8, 2422863635), (10, 1938290908), (20, 969145454), (40, 484572727), (41, 472753880), (82, 236376940), (164, 118188470), (205, 94550776), (328, 59094235), (410, 47275388), (820, 23637694), (1640, 11818847)]