17983880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23663}}^1$

素因数の和:23693

約数の個数: 32

約数和(自身を含む): 42595200

約数和(自身を除く): 24611320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 23663, 47326, 94652, 118315, 189304, 236630, 449597, 473260, 899194, 946520, 1798388, 2247985, 3596776, 4495970, 8991940, 17983880]

約数ペア:

[(1, 17983880), (2, 8991940), (4, 4495970), (5, 3596776), (8, 2247985), (10, 1798388), (19, 946520), (20, 899194), (38, 473260), (40, 449597), (76, 236630), (95, 189304), (152, 118315), (190, 94652), (380, 47326), (760, 23663)]