19564144

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{4231}}^1$

素因数の和:4273

約数の個数: 30

約数和(自身を含む): 40275944

約数和(自身を除く): 20711800

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 2312, 4231, 4624, 8462, 16924, 33848, 67696, 71927, 143854, 287708, 575416, 1150832, 1222759, 2445518, 4891036, 9782072, 19564144]

約数ペア:

[(1, 19564144), (2, 9782072), (4, 4891036), (8, 2445518), (16, 1222759), (17, 1150832), (34, 575416), (68, 287708), (136, 143854), (272, 71927), (289, 67696), (578, 33848), (1156, 16924), (2312, 8462), (4231, 4624)]