17916544

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 38556000

約数和(自身を除く): 20639456

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 53, 64, 76, 106, 128, 139, 152, 212, 278, 304, 424, 556, 608, 848, 1007, 1112, 1216, 1696, 2014, 2224, 2432, 2641, 3392, 4028, 4448, 5282, 6784, 7367, 8056, 8896, 10564, 14734, 16112, 17792, 21128, 29468, 32224, 42256, 58936, 64448, 84512, 117872, 128896, 139973, 169024, 235744, 279946, 338048, 471488, 559892, 942976, 1119784, 2239568, 4479136, 8958272, 17916544]

約数ペア:

[(1, 17916544), (2, 8958272), (4, 4479136), (8, 2239568), (16, 1119784), (19, 942976), (32, 559892), (38, 471488), (53, 338048), (64, 279946), (76, 235744), (106, 169024), (128, 139973), (139, 128896), (152, 117872), (212, 84512), (278, 64448), (304, 58936), (424, 42256), (556, 32224), (608, 29468), (848, 21128), (1007, 17792), (1112, 16112), (1216, 14734), (1696, 10564), (2014, 8896), (2224, 8056), (2432, 7367), (2641, 6784), (3392, 5282), (4028, 4448)]