18209958

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 42964992

約数和(自身を除く): 24755034

約数列:

[1, 2, 3, 6, 13, 17, 26, 31, 34, 39, 51, 62, 78, 93, 102, 186, 221, 403, 442, 443, 527, 663, 806, 886, 1054, 1209, 1326, 1329, 1581, 2418, 2658, 3162, 5759, 6851, 7531, 11518, 13702, 13733, 15062, 17277, 20553, 22593, 27466, 34554, 41106, 41199, 45186, 82398, 97903, 178529, 195806, 233461, 293709, 357058, 466922, 535587, 587418, 700383, 1071174, 1400766, 3034993, 6069986, 9104979, 18209958]

約数ペア:

[(1, 18209958), (2, 9104979), (3, 6069986), (6, 3034993), (13, 1400766), (17, 1071174), (26, 700383), (31, 587418), (34, 535587), (39, 466922), (51, 357058), (62, 293709), (78, 233461), (93, 195806), (102, 178529), (186, 97903), (221, 82398), (403, 45186), (442, 41199), (443, 41106), (527, 34554), (663, 27466), (806, 22593), (886, 20553), (1054, 17277), (1209, 15062), (1326, 13733), (1329, 13702), (1581, 11518), (2418, 7531), (2658, 6851), (3162, 5759)]