19901847258

素因数分解:

$2^1\times 3^6\times {\mathrm{311}}^1\times {\mathrm{43891}}^1$

素因数の和:44222

約数の個数: 56

約数和(自身を含む): 44903622816

約数和(自身を除く): 25001775558

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 311, 486, 622, 729, 933, 1458, 1866, 2799, 5598, 8397, 16794, 25191, 43891, 50382, 75573, 87782, 131673, 151146, 226719, 263346, 395019, 453438, 790038, 1185057, 2370114, 3555171, 7110342, 10665513, 13650101, 21331026, 27300202, 31996539, 40950303, 63993078, 81900606, 122850909, 245701818, 368552727, 737105454, 1105658181, 2211316362, 3316974543, 6633949086, 9950923629, 19901847258]

約数ペア:

[(1, 19901847258), (2, 9950923629), (3, 6633949086), (6, 3316974543), (9, 2211316362), (18, 1105658181), (27, 737105454), (54, 368552727), (81, 245701818), (162, 122850909), (243, 81900606), (311, 63993078), (486, 40950303), (622, 31996539), (729, 27300202), (933, 21331026), (1458, 13650101), (1866, 10665513), (2799, 7110342), (5598, 3555171), (8397, 2370114), (16794, 1185057), (25191, 790038), (43891, 453438), (50382, 395019), (75573, 263346), (87782, 226719), (131673, 151146)]