19333984

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 40249440

約数和(自身を除く): 20915456

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 109, 184, 218, 241, 368, 436, 482, 736, 872, 964, 1744, 1928, 2507, 3488, 3856, 5014, 5543, 7712, 10028, 11086, 20056, 22172, 26269, 40112, 44344, 52538, 80224, 88688, 105076, 177376, 210152, 420304, 604187, 840608, 1208374, 2416748, 4833496, 9666992, 19333984]

約数ペア:

[(1, 19333984), (2, 9666992), (4, 4833496), (8, 2416748), (16, 1208374), (23, 840608), (32, 604187), (46, 420304), (92, 210152), (109, 177376), (184, 105076), (218, 88688), (241, 80224), (368, 52538), (436, 44344), (482, 40112), (736, 26269), (872, 22172), (964, 20056), (1744, 11086), (1928, 10028), (2507, 7712), (3488, 5543), (3856, 5014)]