19401128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1171}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 38676000

約数和(自身を除く): 19274872

約数列:

[1, 2, 4, 8, 19, 38, 76, 109, 152, 218, 436, 872, 1171, 2071, 2342, 4142, 4684, 8284, 9368, 16568, 22249, 44498, 88996, 127639, 177992, 255278, 510556, 1021112, 2425141, 4850282, 9700564, 19401128]

約数ペア:

[(1, 19401128), (2, 9700564), (4, 4850282), (8, 2425141), (19, 1021112), (38, 510556), (76, 255278), (109, 177992), (152, 127639), (218, 88996), (436, 44498), (872, 22249), (1171, 16568), (2071, 9368), (2342, 8284), (4142, 4684)]