18674024

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 38295180

約数和(自身を除く): 19621156

約数列:

[1, 2, 4, 8, 17, 34, 41, 68, 82, 136, 164, 197, 289, 328, 394, 578, 697, 788, 1156, 1394, 1576, 2312, 2788, 3349, 5576, 6698, 8077, 11849, 13396, 16154, 23698, 26792, 32308, 47396, 56933, 64616, 94792, 113866, 137309, 227732, 274618, 455464, 549236, 1098472, 2334253, 4668506, 9337012, 18674024]

約数ペア:

[(1, 18674024), (2, 9337012), (4, 4668506), (8, 2334253), (17, 1098472), (34, 549236), (41, 455464), (68, 274618), (82, 227732), (136, 137309), (164, 113866), (197, 94792), (289, 64616), (328, 56933), (394, 47396), (578, 32308), (697, 26792), (788, 23698), (1156, 16154), (1394, 13396), (1576, 11849), (2312, 8077), (2788, 6698), (3349, 5576)]