18927942

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:413

約数の個数: 64

約数和(自身を含む): 44388864

約数和(自身を除く): 25460922

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 37, 46, 66, 69, 74, 111, 138, 222, 253, 337, 407, 506, 674, 759, 814, 851, 1011, 1221, 1518, 1702, 2022, 2442, 2553, 3707, 5106, 7414, 7751, 9361, 11121, 12469, 15502, 18722, 22242, 23253, 24938, 28083, 37407, 46506, 56166, 74814, 85261, 137159, 170522, 255783, 274318, 286787, 411477, 511566, 573574, 822954, 860361, 1720722, 3154657, 6309314, 9463971, 18927942]

約数ペア:

[(1, 18927942), (2, 9463971), (3, 6309314), (6, 3154657), (11, 1720722), (22, 860361), (23, 822954), (33, 573574), (37, 511566), (46, 411477), (66, 286787), (69, 274318), (74, 255783), (111, 170522), (138, 137159), (222, 85261), (253, 74814), (337, 56166), (407, 46506), (506, 37407), (674, 28083), (759, 24938), (814, 23253), (851, 22242), (1011, 18722), (1221, 15502), (1518, 12469), (1702, 11121), (2022, 9361), (2442, 7751), (2553, 7414), (3707, 5106)]