18519774

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 46158336

約数和(自身を除く): 27638562

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 107, 182, 214, 273, 317, 321, 546, 634, 642, 749, 951, 1391, 1498, 1902, 2219, 2247, 2782, 4121, 4173, 4438, 4494, 6657, 8242, 8346, 9737, 12363, 13314, 19474, 24726, 28847, 29211, 33919, 57694, 58422, 67838, 86541, 101757, 173082, 203514, 237433, 440947, 474866, 712299, 881894, 1322841, 1424598, 2645682, 3086629, 6173258, 9259887, 18519774]

約数ペア:

[(1, 18519774), (2, 9259887), (3, 6173258), (6, 3086629), (7, 2645682), (13, 1424598), (14, 1322841), (21, 881894), (26, 712299), (39, 474866), (42, 440947), (78, 237433), (91, 203514), (107, 173082), (182, 101757), (214, 86541), (273, 67838), (317, 58422), (321, 57694), (546, 33919), (634, 29211), (642, 28847), (749, 24726), (951, 19474), (1391, 13314), (1498, 12363), (1902, 9737), (2219, 8346), (2247, 8242), (2782, 6657), (4121, 4494), (4173, 4438)]