19549768

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 43747200

約数和(自身を除く): 24197432

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 61, 97, 118, 122, 194, 236, 244, 388, 413, 427, 472, 488, 679, 776, 826, 854, 1358, 1652, 1708, 2716, 3304, 3416, 3599, 5432, 5723, 5917, 7198, 11446, 11834, 14396, 22892, 23668, 25193, 28792, 40061, 41419, 45784, 47336, 50386, 80122, 82838, 100772, 160244, 165676, 201544, 320488, 331352, 349103, 698206, 1396412, 2443721, 2792824, 4887442, 9774884, 19549768]

約数ペア:

[(1, 19549768), (2, 9774884), (4, 4887442), (7, 2792824), (8, 2443721), (14, 1396412), (28, 698206), (56, 349103), (59, 331352), (61, 320488), (97, 201544), (118, 165676), (122, 160244), (194, 100772), (236, 82838), (244, 80122), (388, 50386), (413, 47336), (427, 45784), (472, 41419), (488, 40061), (679, 28792), (776, 25193), (826, 23668), (854, 22892), (1358, 14396), (1652, 11834), (1708, 11446), (2716, 7198), (3304, 5917), (3416, 5723), (3599, 5432)]