19266513

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 31257600

約数和(自身を除く): 11991087

約数列:

[1, 3, 7, 19, 21, 57, 109, 133, 327, 399, 443, 763, 1329, 2071, 2289, 3101, 6213, 8417, 9303, 14497, 25251, 43491, 48287, 58919, 144861, 176757, 338009, 917453, 1014027, 2752359, 6422171, 19266513]

約数ペア:

[(1, 19266513), (3, 6422171), (7, 2752359), (19, 1014027), (21, 917453), (57, 338009), (109, 176757), (133, 144861), (327, 58919), (399, 48287), (443, 43491), (763, 25251), (1329, 14497), (2071, 9303), (2289, 8417), (3101, 6213)]