19418456

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2971}}^1$

素因数の和:3039

約数の個数: 32

約数和(自身を含む): 39230400

約数和(自身を除く): 19811944

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 2971, 3268, 5942, 6536, 11884, 23768, 56449, 112898, 127753, 225796, 255506, 451592, 511012, 1022024, 2427307, 4854614, 9709228, 19418456]

約数ペア:

[(1, 19418456), (2, 9709228), (4, 4854614), (8, 2427307), (19, 1022024), (38, 511012), (43, 451592), (76, 255506), (86, 225796), (152, 127753), (172, 112898), (344, 56449), (817, 23768), (1634, 11884), (2971, 6536), (3268, 5942)]