17890419

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 26496000

約数和(自身を除く): 8605581

約数列:

[1, 3, 19, 29, 57, 79, 87, 137, 237, 411, 551, 1501, 1653, 2291, 2603, 3973, 4503, 6873, 7809, 10823, 11919, 32469, 43529, 75487, 130587, 205637, 226461, 313867, 616911, 941601, 5963473, 17890419]

約数ペア:

[(1, 17890419), (3, 5963473), (19, 941601), (29, 616911), (57, 313867), (79, 226461), (87, 205637), (137, 130587), (237, 75487), (411, 43529), (551, 32469), (1501, 11919), (1653, 10823), (2291, 7809), (2603, 6873), (3973, 4503)]