19156250

素因数分解:

$2^1\times 5^6\times {\mathrm{613}}^1$

素因数の和:645

約数の個数: 28

約数和(自身を含む): 35976102

約数和(自身を除く): 16819852

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 613, 625, 1226, 1250, 3065, 3125, 6130, 6250, 15325, 15625, 30650, 31250, 76625, 153250, 383125, 766250, 1915625, 3831250, 9578125, 19156250]

約数ペア:

[(1, 19156250), (2, 9578125), (5, 3831250), (10, 1915625), (25, 766250), (50, 383125), (125, 153250), (250, 76625), (613, 31250), (625, 30650), (1226, 15625), (1250, 15325), (3065, 6250), (3125, 6130)]