19772955

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25847}}^1$

素因数の和:25875

約数の個数: 24

約数和(自身を含む): 36290592

約数和(自身を除く): 16517637

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 25847, 77541, 129235, 232623, 387705, 439399, 1163115, 1318197, 2196995, 3954591, 6590985, 19772955]

約数ペア:

[(1, 19772955), (3, 6590985), (5, 3954591), (9, 2196995), (15, 1318197), (17, 1163115), (45, 439399), (51, 387705), (85, 232623), (153, 129235), (255, 77541), (765, 25847)]