18016636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{937}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 37820160

約数和(自身を除く): 19803524

約数列:

[1, 2, 4, 11, 19, 22, 23, 38, 44, 46, 76, 92, 209, 253, 418, 437, 506, 836, 874, 937, 1012, 1748, 1874, 3748, 4807, 9614, 10307, 17803, 19228, 20614, 21551, 35606, 41228, 43102, 71212, 86204, 195833, 237061, 391666, 409469, 474122, 783332, 818938, 948244, 1637876, 4504159, 9008318, 18016636]

約数ペア:

[(1, 18016636), (2, 9008318), (4, 4504159), (11, 1637876), (19, 948244), (22, 818938), (23, 783332), (38, 474122), (44, 409469), (46, 391666), (76, 237061), (92, 195833), (209, 86204), (253, 71212), (418, 43102), (437, 41228), (506, 35606), (836, 21551), (874, 20614), (937, 19228), (1012, 17803), (1748, 10307), (1874, 9614), (3748, 4807)]