18905912

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4289}}^1$

素因数の和:4343

約数の個数: 32

約数和(自身を含む): 38610000

約数和(自身を除く): 19704088

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4289, 4408, 8578, 17156, 34312, 81491, 124381, 162982, 248762, 325964, 497524, 651928, 995048, 2363239, 4726478, 9452956, 18905912]

約数ペア:

[(1, 18905912), (2, 9452956), (4, 4726478), (8, 2363239), (19, 995048), (29, 651928), (38, 497524), (58, 325964), (76, 248762), (116, 162982), (152, 124381), (232, 81491), (551, 34312), (1102, 17156), (2204, 8578), (4289, 4408)]