19201250

素因数分解:

$2^1\times 5^4\times {\mathrm{15361}}^1$

素因数の和:15383

約数の個数: 20

約数和(自身を含む): 35993166

約数和(自身を除く): 16791916

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 15361, 30722, 76805, 153610, 384025, 768050, 1920125, 3840250, 9600625, 19201250]

約数ペア:

[(1, 19201250), (2, 9600625), (5, 3840250), (10, 1920125), (25, 768050), (50, 384025), (125, 153610), (250, 76805), (625, 30722), (1250, 15361)]