18196605

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{947}}^1$

素因数の和:1026

約数の個数: 48

約数和(自身を含む): 36676224

約数和(自身を除く): 18479619

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 61, 63, 105, 183, 305, 315, 427, 549, 915, 947, 1281, 2135, 2745, 2841, 3843, 4735, 6405, 6629, 8523, 14205, 19215, 19887, 33145, 42615, 57767, 59661, 99435, 173301, 288835, 298305, 404369, 519903, 866505, 1213107, 2021845, 2599515, 3639321, 6065535, 18196605]

約数ペア:

[(1, 18196605), (3, 6065535), (5, 3639321), (7, 2599515), (9, 2021845), (15, 1213107), (21, 866505), (35, 519903), (45, 404369), (61, 298305), (63, 288835), (105, 173301), (183, 99435), (305, 59661), (315, 57767), (427, 42615), (549, 33145), (915, 19887), (947, 19215), (1281, 14205), (2135, 8523), (2745, 6629), (2841, 6405), (3843, 4735)]