19622944

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 42620256

約数和(自身を除く): 22997312

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 107, 176, 214, 352, 428, 521, 856, 1042, 1177, 1712, 2084, 2354, 3424, 4168, 4708, 5731, 8336, 9416, 11462, 16672, 18832, 22924, 37664, 45848, 55747, 91696, 111494, 183392, 222988, 445976, 613217, 891952, 1226434, 1783904, 2452868, 4905736, 9811472, 19622944]

約数ペア:

[(1, 19622944), (2, 9811472), (4, 4905736), (8, 2452868), (11, 1783904), (16, 1226434), (22, 891952), (32, 613217), (44, 445976), (88, 222988), (107, 183392), (176, 111494), (214, 91696), (352, 55747), (428, 45848), (521, 37664), (856, 22924), (1042, 18832), (1177, 16672), (1712, 11462), (2084, 9416), (2354, 8336), (3424, 5731), (4168, 4708)]