19184805

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 35109360

約数和(自身を除く): 15924555

約数列:

[1, 3, 5, 9, 15, 29, 45, 61, 87, 145, 183, 241, 261, 305, 435, 549, 723, 915, 1205, 1305, 1769, 2169, 2745, 3615, 5307, 6989, 8845, 10845, 14701, 15921, 20967, 26535, 34945, 44103, 62901, 73505, 79605, 104835, 132309, 220515, 314505, 426329, 661545, 1278987, 2131645, 3836961, 6394935, 19184805]

約数ペア:

[(1, 19184805), (3, 6394935), (5, 3836961), (9, 2131645), (15, 1278987), (29, 661545), (45, 426329), (61, 314505), (87, 220515), (145, 132309), (183, 104835), (241, 79605), (261, 73505), (305, 62901), (435, 44103), (549, 34945), (723, 26535), (915, 20967), (1205, 15921), (1305, 14701), (1769, 10845), (2169, 8845), (2745, 6989), (3615, 5307)]