18523744

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{2003}}^1$

素因数の和:2047

約数の個数: 36

約数和(自身を含む): 38759364

約数和(自身を除く): 20235620

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 289, 544, 578, 1156, 2003, 2312, 4006, 4624, 8012, 9248, 16024, 32048, 34051, 64096, 68102, 136204, 272408, 544816, 578867, 1089632, 1157734, 2315468, 4630936, 9261872, 18523744]

約数ペア:

[(1, 18523744), (2, 9261872), (4, 4630936), (8, 2315468), (16, 1157734), (17, 1089632), (32, 578867), (34, 544816), (68, 272408), (136, 136204), (272, 68102), (289, 64096), (544, 34051), (578, 32048), (1156, 16024), (2003, 9248), (2312, 8012), (4006, 4624)]