19757.000000

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 1039584

約数和(自身を除く): 708708

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 101, 117, 126, 156, 182, 202, 234, 252, 273, 303, 364, 404, 468, 546, 606, 707, 819, 909, 1092, 1212, 1313, 1414, 1638, 1818, 2121, 2626, 2828, 3276, 3636, 3939, 4242, 5252, 6363, 7878, 8484, 9191, 11817, 12726, 15756, 18382, 23634, 25452, 27573, 36764, 47268, 55146, 82719, 110292, 165438, 330876]

約数ペア:

[(1, 330876), (2, 165438), (3, 110292), (4, 82719), (6, 55146), (7, 47268), (9, 36764), (12, 27573), (13, 25452), (14, 23634), (18, 18382), (21, 15756), (26, 12726), (28, 11817), (36, 9191), (39, 8484), (42, 7878), (52, 6363), (63, 5252), (78, 4242), (84, 3939), (91, 3636), (101, 3276), (117, 2828), (126, 2626), (156, 2121), (182, 1818), (202, 1638), (234, 1414), (252, 1313), (273, 1212), (303, 1092), (364, 909), (404, 819), (468, 707), (546, 606)]