18415256

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1249}}^1$

素因数の和:1371

約数の個数: 32

約数和(自身を含む): 36750000

約数和(自身を除く): 18334744

約数列:

[1, 2, 4, 8, 19, 38, 76, 97, 152, 194, 388, 776, 1249, 1843, 2498, 3686, 4996, 7372, 9992, 14744, 23731, 47462, 94924, 121153, 189848, 242306, 484612, 969224, 2301907, 4603814, 9207628, 18415256]

約数ペア:

[(1, 18415256), (2, 9207628), (4, 4603814), (8, 2301907), (19, 969224), (38, 484612), (76, 242306), (97, 189848), (152, 121153), (194, 94924), (388, 47462), (776, 23731), (1249, 14744), (1843, 9992), (2498, 7372), (3686, 4996)]