18416388

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 44233280

約数和(自身を除く): 25816892

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 139, 181, 183, 244, 278, 362, 366, 417, 543, 556, 724, 732, 834, 1086, 1668, 2172, 8479, 11041, 16958, 22082, 25159, 25437, 33123, 33916, 44164, 50318, 50874, 66246, 75477, 100636, 101748, 132492, 150954, 301908, 1534699, 3069398, 4604097, 6138796, 9208194, 18416388]

約数ペア:

[(1, 18416388), (2, 9208194), (3, 6138796), (4, 4604097), (6, 3069398), (12, 1534699), (61, 301908), (122, 150954), (139, 132492), (181, 101748), (183, 100636), (244, 75477), (278, 66246), (362, 50874), (366, 50318), (417, 44164), (543, 33916), (556, 33123), (724, 25437), (732, 25159), (834, 22082), (1086, 16958), (1668, 11041), (2172, 8479)]