19861728

素因数分解:

$2^5\times 3^1\times {\mathrm{313}}^1\times {\mathrm{661}}^1$

素因数の和:987

約数の個数: 48

約数和(自身を含む): 52382736

約数和(自身を除く): 32521008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 313, 626, 661, 939, 1252, 1322, 1878, 1983, 2504, 2644, 3756, 3966, 5008, 5288, 7512, 7932, 10016, 10576, 15024, 15864, 21152, 30048, 31728, 63456, 206893, 413786, 620679, 827572, 1241358, 1655144, 2482716, 3310288, 4965432, 6620576, 9930864, 19861728]

約数ペア:

[(1, 19861728), (2, 9930864), (3, 6620576), (4, 4965432), (6, 3310288), (8, 2482716), (12, 1655144), (16, 1241358), (24, 827572), (32, 620679), (48, 413786), (96, 206893), (313, 63456), (626, 31728), (661, 30048), (939, 21152), (1252, 15864), (1322, 15024), (1878, 10576), (1983, 10016), (2504, 7932), (2644, 7512), (3756, 5288), (3966, 5008)]