19380294

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:445

約数の個数: 48

約数和(自身を含む): 43917120

約数和(自身を除く): 24536826

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 137, 174, 261, 271, 274, 411, 522, 542, 813, 822, 1233, 1626, 2439, 2466, 3973, 4878, 7859, 7946, 11919, 15718, 23577, 23838, 35757, 37127, 47154, 70731, 71514, 74254, 111381, 141462, 222762, 334143, 668286, 1076683, 2153366, 3230049, 6460098, 9690147, 19380294]

約数ペア:

[(1, 19380294), (2, 9690147), (3, 6460098), (6, 3230049), (9, 2153366), (18, 1076683), (29, 668286), (58, 334143), (87, 222762), (137, 141462), (174, 111381), (261, 74254), (271, 71514), (274, 70731), (411, 47154), (522, 37127), (542, 35757), (813, 23838), (822, 23577), (1233, 15718), (1626, 11919), (2439, 7946), (2466, 7859), (3973, 4878)]