18818922

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 41803776

約数和(自身を除く): 22984854

約数列:

[1, 2, 3, 6, 23, 31, 46, 53, 62, 69, 83, 93, 106, 138, 159, 166, 186, 249, 318, 498, 713, 1219, 1426, 1643, 1909, 2139, 2438, 2573, 3286, 3657, 3818, 4278, 4399, 4929, 5146, 5727, 7314, 7719, 8798, 9858, 11454, 13197, 15438, 26394, 37789, 59179, 75578, 101177, 113367, 118358, 136369, 177537, 202354, 226734, 272738, 303531, 355074, 409107, 607062, 818214, 3136487, 6272974, 9409461, 18818922]

約数ペア:

[(1, 18818922), (2, 9409461), (3, 6272974), (6, 3136487), (23, 818214), (31, 607062), (46, 409107), (53, 355074), (62, 303531), (69, 272738), (83, 226734), (93, 202354), (106, 177537), (138, 136369), (159, 118358), (166, 113367), (186, 101177), (249, 75578), (318, 59179), (498, 37789), (713, 26394), (1219, 15438), (1426, 13197), (1643, 11454), (1909, 9858), (2139, 8798), (2438, 7719), (2573, 7314), (3286, 5727), (3657, 5146), (3818, 4929), (4278, 4399)]