19802508

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3659}}^1$

素因数の和:3718

約数の個数: 48

約数和(自身を含む): 51649920

約数和(自身を除く): 31847412

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 41, 44, 66, 82, 123, 132, 164, 246, 451, 492, 902, 1353, 1804, 2706, 3659, 5412, 7318, 10977, 14636, 21954, 40249, 43908, 80498, 120747, 150019, 160996, 241494, 300038, 450057, 482988, 600076, 900114, 1650209, 1800228, 3300418, 4950627, 6600836, 9901254, 19802508]

約数ペア:

[(1, 19802508), (2, 9901254), (3, 6600836), (4, 4950627), (6, 3300418), (11, 1800228), (12, 1650209), (22, 900114), (33, 600076), (41, 482988), (44, 450057), (66, 300038), (82, 241494), (123, 160996), (132, 150019), (164, 120747), (246, 80498), (451, 43908), (492, 40249), (902, 21954), (1353, 14636), (1804, 10977), (2706, 7318), (3659, 5412)]