19129216

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 41310000

約数和(自身を除く): 22180784

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 59, 64, 68, 118, 128, 136, 149, 236, 272, 298, 472, 544, 596, 944, 1003, 1088, 1192, 1888, 2006, 2176, 2384, 2533, 3776, 4012, 4768, 5066, 7552, 8024, 8791, 9536, 10132, 16048, 17582, 19072, 20264, 32096, 35164, 40528, 64192, 70328, 81056, 128384, 140656, 149447, 162112, 281312, 298894, 324224, 562624, 597788, 1125248, 1195576, 2391152, 4782304, 9564608, 19129216]

約数ペア:

[(1, 19129216), (2, 9564608), (4, 4782304), (8, 2391152), (16, 1195576), (17, 1125248), (32, 597788), (34, 562624), (59, 324224), (64, 298894), (68, 281312), (118, 162112), (128, 149447), (136, 140656), (149, 128384), (236, 81056), (272, 70328), (298, 64192), (472, 40528), (544, 35164), (596, 32096), (944, 20264), (1003, 19072), (1088, 17582), (1192, 16048), (1888, 10132), (2006, 9536), (2176, 8791), (2384, 8024), (2533, 7552), (3776, 5066), (4012, 4768)]