17945728

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 38678400

約数和(自身を除く): 20732672

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 64, 76, 94, 128, 152, 157, 188, 304, 314, 376, 608, 628, 752, 893, 1216, 1256, 1504, 1786, 2432, 2512, 2983, 3008, 3572, 5024, 5966, 6016, 7144, 7379, 10048, 11932, 14288, 14758, 20096, 23864, 28576, 29516, 47728, 57152, 59032, 95456, 114304, 118064, 140201, 190912, 236128, 280402, 381824, 472256, 560804, 944512, 1121608, 2243216, 4486432, 8972864, 17945728]

約数ペア:

[(1, 17945728), (2, 8972864), (4, 4486432), (8, 2243216), (16, 1121608), (19, 944512), (32, 560804), (38, 472256), (47, 381824), (64, 280402), (76, 236128), (94, 190912), (128, 140201), (152, 118064), (157, 114304), (188, 95456), (304, 59032), (314, 57152), (376, 47728), (608, 29516), (628, 28576), (752, 23864), (893, 20096), (1216, 14758), (1256, 14288), (1504, 11932), (1786, 10048), (2432, 7379), (2512, 7144), (2983, 6016), (3008, 5966), (3572, 5024)]