19091289

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1009}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 31415040

約数和(自身を除く): 12323751

約数列:

[1, 3, 7, 17, 21, 51, 53, 119, 159, 357, 371, 901, 1009, 1113, 2703, 3027, 6307, 7063, 17153, 18921, 21189, 51459, 53477, 120071, 160431, 360213, 374339, 909109, 1123017, 2727327, 6363763, 19091289]

約数ペア:

[(1, 19091289), (3, 6363763), (7, 2727327), (17, 1123017), (21, 909109), (51, 374339), (53, 360213), (119, 160431), (159, 120071), (357, 53477), (371, 51459), (901, 21189), (1009, 18921), (1113, 17153), (2703, 7063), (3027, 6307)]