19908.000000

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 2626560

約数和(自身を除く): 1682694

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 99, 126, 154, 189, 198, 227, 231, 297, 378, 454, 462, 594, 681, 693, 1362, 1386, 1589, 2043, 2079, 2497, 3178, 4086, 4158, 4767, 4994, 6129, 7491, 9534, 12258, 14301, 14982, 17479, 22473, 28602, 34958, 42903, 44946, 52437, 67419, 85806, 104874, 134838, 157311, 314622, 471933, 943866]

約数ペア:

[(1, 943866), (2, 471933), (3, 314622), (6, 157311), (7, 134838), (9, 104874), (11, 85806), (14, 67419), (18, 52437), (21, 44946), (22, 42903), (27, 34958), (33, 28602), (42, 22473), (54, 17479), (63, 14982), (66, 14301), (77, 12258), (99, 9534), (126, 7491), (154, 6129), (189, 4994), (198, 4767), (227, 4158), (231, 4086), (297, 3178), (378, 2497), (454, 2079), (462, 2043), (594, 1589), (681, 1386), (693, 1362)]