18829665

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2447}}^1$

素因数の和:2483

約数の個数: 40

約数和(自身を含む): 35544960

約数和(自身を除く): 16715295

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2447, 2565, 7341, 7695, 12235, 22023, 36705, 46493, 66069, 110115, 139479, 198207, 232465, 330345, 418437, 697395, 991035, 1255311, 2092185, 3765933, 6276555, 18829665]

約数ペア:

[(1, 18829665), (3, 6276555), (5, 3765933), (9, 2092185), (15, 1255311), (19, 991035), (27, 697395), (45, 418437), (57, 330345), (81, 232465), (95, 198207), (135, 139479), (171, 110115), (285, 66069), (405, 46493), (513, 36705), (855, 22023), (1539, 12235), (2447, 7695), (2565, 7341)]