19991986644

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{3761}}^1\times {\mathrm{63281}}^1$

素因数の和:67056

約数の個数: 48

約数和(自身を含む): 53326982016

約数和(自身を除く): 33334995372

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 3761, 7522, 11283, 15044, 22566, 26327, 45132, 52654, 63281, 78981, 105308, 126562, 157962, 189843, 253124, 315924, 379686, 442967, 759372, 885934, 1328901, 1771868, 2657802, 5315604, 237999841, 475999682, 713999523, 951999364, 1427999046, 1665998887, 2855998092, 3331997774, 4997996661, 6663995548, 9995993322, 19991986644]

約数ペア:

[(1, 19991986644), (2, 9995993322), (3, 6663995548), (4, 4997996661), (6, 3331997774), (7, 2855998092), (12, 1665998887), (14, 1427999046), (21, 951999364), (28, 713999523), (42, 475999682), (84, 237999841), (3761, 5315604), (7522, 2657802), (11283, 1771868), (15044, 1328901), (22566, 885934), (26327, 759372), (45132, 442967), (52654, 379686), (63281, 315924), (78981, 253124), (105308, 189843), (126562, 157962)]