19120245

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 32216832

約数和(自身を除く): 13096587

約数列:

[1, 3, 5, 15, 23, 69, 115, 157, 345, 353, 471, 785, 1059, 1765, 2355, 3611, 5295, 8119, 10833, 18055, 24357, 40595, 54165, 55421, 121785, 166263, 277105, 831315, 1274683, 3824049, 6373415, 19120245]

約数ペア:

[(1, 19120245), (3, 6373415), (5, 3824049), (15, 1274683), (23, 831315), (69, 277105), (115, 166263), (157, 121785), (345, 55421), (353, 54165), (471, 40595), (785, 24357), (1059, 18055), (1765, 10833), (2355, 8119), (3611, 5295)]