18636222

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 42674688

約数和(自身を除く): 24038466

約数列:

[1, 2, 3, 6, 11, 22, 33, 41, 66, 71, 82, 97, 123, 142, 194, 213, 246, 291, 426, 451, 582, 781, 902, 1067, 1353, 1562, 2134, 2343, 2706, 2911, 3201, 3977, 4686, 5822, 6402, 6887, 7954, 8733, 11931, 13774, 17466, 20661, 23862, 32021, 41322, 43747, 64042, 75757, 87494, 96063, 131241, 151514, 192126, 227271, 262482, 282367, 454542, 564734, 847101, 1694202, 3106037, 6212074, 9318111, 18636222]

約数ペア:

[(1, 18636222), (2, 9318111), (3, 6212074), (6, 3106037), (11, 1694202), (22, 847101), (33, 564734), (41, 454542), (66, 282367), (71, 262482), (82, 227271), (97, 192126), (123, 151514), (142, 131241), (194, 96063), (213, 87494), (246, 75757), (291, 64042), (426, 43747), (451, 41322), (582, 32021), (781, 23862), (902, 20661), (1067, 17466), (1353, 13774), (1562, 11931), (2134, 8733), (2343, 7954), (2706, 6887), (2911, 6402), (3201, 5822), (3977, 4686)]