19125645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{571}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 39536640

約数和(自身を除く): 20410995

約数列:

[1, 3, 5, 7, 11, 15, 21, 29, 33, 35, 55, 77, 87, 105, 145, 165, 203, 231, 319, 385, 435, 571, 609, 957, 1015, 1155, 1595, 1713, 2233, 2855, 3045, 3997, 4785, 6281, 6699, 8565, 11165, 11991, 16559, 18843, 19985, 31405, 33495, 43967, 49677, 59955, 82795, 94215, 115913, 131901, 182149, 219835, 248385, 347739, 546447, 579565, 659505, 910745, 1275043, 1738695, 2732235, 3825129, 6375215, 19125645]

約数ペア:

[(1, 19125645), (3, 6375215), (5, 3825129), (7, 2732235), (11, 1738695), (15, 1275043), (21, 910745), (29, 659505), (33, 579565), (35, 546447), (55, 347739), (77, 248385), (87, 219835), (105, 182149), (145, 131901), (165, 115913), (203, 94215), (231, 82795), (319, 59955), (385, 49677), (435, 43967), (571, 33495), (609, 31405), (957, 19985), (1015, 18843), (1155, 16559), (1595, 11991), (1713, 11165), (2233, 8565), (2855, 6699), (3045, 6281), (3997, 4785)]