19533715218

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{20399}}^1$

素因数の和:20693

約数の個数: 80

約数和(自身を含む): 45852998400

約数和(自身を除く): 26319283182

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 257, 414, 514, 621, 771, 1242, 1542, 1863, 2313, 3726, 4626, 5911, 6939, 11822, 13878, 17733, 20399, 20817, 35466, 40798, 41634, 53199, 61197, 106398, 122394, 159597, 183591, 319194, 367182, 469177, 478791, 550773, 938354, 957582, 1101546, 1407531, 1652319, 2815062, 3304638, 4222593, 5242543, 8445186, 10485086, 12667779, 15727629, 25335558, 31455258, 38003337, 47182887, 76006674, 94365774, 120578489, 141548661, 241156978, 283097322, 361735467, 424645983, 723470934, 849291966, 1085206401, 2170412802, 3255619203, 6511238406, 9766857609, 19533715218]

約数ペア:

[(1, 19533715218), (2, 9766857609), (3, 6511238406), (6, 3255619203), (9, 2170412802), (18, 1085206401), (23, 849291966), (27, 723470934), (46, 424645983), (54, 361735467), (69, 283097322), (81, 241156978), (138, 141548661), (162, 120578489), (207, 94365774), (257, 76006674), (414, 47182887), (514, 38003337), (621, 31455258), (771, 25335558), (1242, 15727629), (1542, 12667779), (1863, 10485086), (2313, 8445186), (3726, 5242543), (4626, 4222593), (5911, 3304638), (6939, 2815062), (11822, 1652319), (13878, 1407531), (17733, 1101546), (20399, 957582), (20817, 938354), (35466, 550773), (40798, 478791), (41634, 469177), (53199, 367182), (61197, 319194), (106398, 183591), (122394, 159597)]