18721890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18911}}^1$

素因数の和:18935

約数の個数: 48

約数和(自身を含む): 53104896

約数和(自身を除く): 34383006

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 18911, 37822, 56733, 94555, 113466, 170199, 189110, 208021, 283665, 340398, 416042, 567330, 624063, 850995, 1040105, 1248126, 1701990, 1872189, 2080210, 3120315, 3744378, 6240630, 9360945, 18721890]

約数ペア:

[(1, 18721890), (2, 9360945), (3, 6240630), (5, 3744378), (6, 3120315), (9, 2080210), (10, 1872189), (11, 1701990), (15, 1248126), (18, 1040105), (22, 850995), (30, 624063), (33, 567330), (45, 416042), (55, 340398), (66, 283665), (90, 208021), (99, 189110), (110, 170199), (165, 113466), (198, 94555), (330, 56733), (495, 37822), (990, 18911)]