19501839

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 34594560

約数和(自身を除く): 15092721

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 131, 139, 153, 357, 393, 417, 917, 973, 1071, 1179, 1251, 2227, 2363, 2751, 2919, 6681, 7089, 8253, 8757, 15589, 16541, 18209, 20043, 21267, 46767, 49623, 54627, 127463, 140301, 148869, 163881, 309553, 382389, 928659, 1147167, 2166871, 2785977, 6500613, 19501839]

約数ペア:

[(1, 19501839), (3, 6500613), (7, 2785977), (9, 2166871), (17, 1147167), (21, 928659), (51, 382389), (63, 309553), (119, 163881), (131, 148869), (139, 140301), (153, 127463), (357, 54627), (393, 49623), (417, 46767), (917, 21267), (973, 20043), (1071, 18209), (1179, 16541), (1251, 15589), (2227, 8757), (2363, 8253), (2751, 7089), (2919, 6681)]