19944702970

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{125053}}^1$

素因数の和:125490

約数の個数: 32

約数和(自身を含む): 36870921360

約数和(自身を除く): 16926218390

約数列:

[1, 2, 5, 10, 41, 82, 205, 389, 410, 778, 1945, 3890, 15949, 31898, 79745, 125053, 159490, 250106, 625265, 1250530, 5127173, 10254346, 25635865, 48645617, 51271730, 97291234, 243228085, 486456170, 1994470297, 3988940594, 9972351485, 19944702970]

約数ペア:

[(1, 19944702970), (2, 9972351485), (5, 3988940594), (10, 1994470297), (41, 486456170), (82, 243228085), (205, 97291234), (389, 51271730), (410, 48645617), (778, 25635865), (1945, 10254346), (3890, 5127173), (15949, 1250530), (31898, 625265), (79745, 250106), (125053, 159490)]