16918188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 47738880

約数和(自身を除く): 30820692

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 73, 84, 89, 93, 124, 146, 178, 186, 217, 219, 267, 292, 356, 372, 434, 438, 511, 534, 623, 651, 868, 876, 1022, 1068, 1246, 1302, 1533, 1869, 2044, 2263, 2492, 2604, 2759, 3066, 3738, 4526, 5518, 6132, 6497, 6789, 7476, 8277, 9052, 11036, 12994, 13578, 15841, 16554, 19313, 19491, 25988, 27156, 31682, 33108, 38626, 38982, 45479, 47523, 57939, 63364, 77252, 77964, 90958, 95046, 115878, 136437, 181916, 190092, 201407, 231756, 272874, 402814, 545748, 604221, 805628, 1208442, 1409849, 2416884, 2819698, 4229547, 5639396, 8459094, 16918188]

約数ペア:

[(1, 16918188), (2, 8459094), (3, 5639396), (4, 4229547), (6, 2819698), (7, 2416884), (12, 1409849), (14, 1208442), (21, 805628), (28, 604221), (31, 545748), (42, 402814), (62, 272874), (73, 231756), (84, 201407), (89, 190092), (93, 181916), (124, 136437), (146, 115878), (178, 95046), (186, 90958), (217, 77964), (219, 77252), (267, 63364), (292, 57939), (356, 47523), (372, 45479), (434, 38982), (438, 38626), (511, 33108), (534, 31682), (623, 27156), (651, 25988), (868, 19491), (876, 19313), (1022, 16554), (1068, 15841), (1246, 13578), (1302, 12994), (1533, 11036), (1869, 9052), (2044, 8277), (2263, 7476), (2492, 6789), (2604, 6497), (2759, 6132), (3066, 5518), (3738, 4526)]