19536447

素因数分解:

$3^1\times 7^2\times {\mathrm{347}}^1\times {\mathrm{383}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 30468096

約数和(自身を除く): 10931649

約数列:

[1, 3, 7, 21, 49, 147, 347, 383, 1041, 1149, 2429, 2681, 7287, 8043, 17003, 18767, 51009, 56301, 132901, 398703, 930307, 2790921, 6512149, 19536447]

約数ペア:

[(1, 19536447), (3, 6512149), (7, 2790921), (21, 930307), (49, 398703), (147, 132901), (347, 56301), (383, 51009), (1041, 18767), (1149, 17003), (2429, 8043), (2681, 7287)]