90109818

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{1523}}^1$

素因数の和:1723

約数の個数: 48

約数和(自身を含む): 206837280

約数和(自身を除く): 116727462

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 173, 342, 346, 519, 1038, 1523, 1557, 3046, 3114, 3287, 4569, 6574, 9138, 9861, 13707, 19722, 27414, 28937, 29583, 57874, 59166, 86811, 173622, 260433, 263479, 520866, 526958, 790437, 1580874, 2371311, 4742622, 5006101, 10012202, 15018303, 30036606, 45054909, 90109818]

約数ペア:

[(1, 90109818), (2, 45054909), (3, 30036606), (6, 15018303), (9, 10012202), (18, 5006101), (19, 4742622), (38, 2371311), (57, 1580874), (114, 790437), (171, 526958), (173, 520866), (342, 263479), (346, 260433), (519, 173622), (1038, 86811), (1523, 59166), (1557, 57874), (3046, 29583), (3114, 28937), (3287, 27414), (4569, 19722), (6574, 13707), (9138, 9861)]