18290454

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 45534720

約数和(自身を除く): 27244266

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 139, 182, 241, 273, 278, 417, 482, 546, 723, 834, 973, 1446, 1687, 1807, 1946, 2919, 3133, 3374, 3614, 5061, 5421, 5838, 6266, 9399, 10122, 10842, 12649, 18798, 21931, 25298, 33499, 37947, 43862, 65793, 66998, 75894, 100497, 131586, 200994, 234493, 435487, 468986, 703479, 870974, 1306461, 1406958, 2612922, 3048409, 6096818, 9145227, 18290454]

約数ペア:

[(1, 18290454), (2, 9145227), (3, 6096818), (6, 3048409), (7, 2612922), (13, 1406958), (14, 1306461), (21, 870974), (26, 703479), (39, 468986), (42, 435487), (78, 234493), (91, 200994), (139, 131586), (182, 100497), (241, 75894), (273, 66998), (278, 65793), (417, 43862), (482, 37947), (546, 33499), (723, 25298), (834, 21931), (973, 18798), (1446, 12649), (1687, 10842), (1807, 10122), (1946, 9399), (2919, 6266), (3133, 5838), (3374, 5421), (3614, 5061)]