19486845

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1213}}^1$

素因数の和:1251

約数の個数: 64

約数和(自身を含む): 41955840

約数和(自身を除く): 22468995

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 85, 105, 119, 135, 153, 189, 255, 315, 357, 459, 595, 765, 945, 1071, 1213, 1785, 2295, 3213, 3639, 5355, 6065, 8491, 10917, 16065, 18195, 20621, 25473, 32751, 42455, 54585, 61863, 76419, 103105, 127365, 144347, 163755, 185589, 229257, 309315, 382095, 433041, 556767, 721735, 927945, 1146285, 1299123, 2165205, 2783835, 3897369, 6495615, 19486845]

約数ペア:

[(1, 19486845), (3, 6495615), (5, 3897369), (7, 2783835), (9, 2165205), (15, 1299123), (17, 1146285), (21, 927945), (27, 721735), (35, 556767), (45, 433041), (51, 382095), (63, 309315), (85, 229257), (105, 185589), (119, 163755), (135, 144347), (153, 127365), (189, 103105), (255, 76419), (315, 61863), (357, 54585), (459, 42455), (595, 32751), (765, 25473), (945, 20621), (1071, 18195), (1213, 16065), (1785, 10917), (2295, 8491), (3213, 6065), (3639, 5355)]