2019921826

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 3435185376

約数和(自身を除く): 1415263550

約数列:

[1, 2, 13, 26, 41, 73, 82, 101, 146, 202, 257, 514, 533, 949, 1066, 1313, 1898, 2626, 2993, 3341, 4141, 5986, 6682, 7373, 8282, 10537, 14746, 18761, 21074, 25957, 37522, 38909, 51914, 53833, 77818, 95849, 107666, 136981, 191698, 243893, 273962, 302293, 337441, 487786, 604586, 674882, 769201, 1064237, 1538402, 1894861, 2128474, 3789722, 3929809, 7859618, 9999613, 13835081, 19999226, 24633193, 27670162, 49266386, 77689301, 155378602, 1009960913, 2019921826]

約数ペア:

[(1, 2019921826), (2, 1009960913), (13, 155378602), (26, 77689301), (41, 49266386), (73, 27670162), (82, 24633193), (101, 19999226), (146, 13835081), (202, 9999613), (257, 7859618), (514, 3929809), (533, 3789722), (949, 2128474), (1066, 1894861), (1313, 1538402), (1898, 1064237), (2626, 769201), (2993, 674882), (3341, 604586), (4141, 487786), (5986, 337441), (6682, 302293), (7373, 273962), (8282, 243893), (10537, 191698), (14746, 136981), (18761, 107666), (21074, 95849), (25957, 77818), (37522, 53833), (38909, 51914)]