19772889856

素因数分解:

$2^8\times {\mathrm{17}}^2\times {\mathrm{267259}}^1$

素因数の和:267309

約数の個数: 54

約数和(自身を含む): 41926947020

約数和(自身を除く): 22154057164

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 289, 544, 578, 1088, 1156, 2176, 2312, 4352, 4624, 9248, 18496, 36992, 73984, 267259, 534518, 1069036, 2138072, 4276144, 4543403, 8552288, 9086806, 17104576, 18173612, 34209152, 36347224, 68418304, 72694448, 77237851, 145388896, 154475702, 290777792, 308951404, 581555584, 617902808, 1163111168, 1235805616, 2471611232, 4943222464, 9886444928, 19772889856]

約数ペア:

[(1, 19772889856), (2, 9886444928), (4, 4943222464), (8, 2471611232), (16, 1235805616), (17, 1163111168), (32, 617902808), (34, 581555584), (64, 308951404), (68, 290777792), (128, 154475702), (136, 145388896), (256, 77237851), (272, 72694448), (289, 68418304), (544, 36347224), (578, 34209152), (1088, 18173612), (1156, 17104576), (2176, 9086806), (2312, 8552288), (4352, 4543403), (4624, 4276144), (9248, 2138072), (18496, 1069036), (36992, 534518), (73984, 267259)]