18335716

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 38152576

約数和(自身を除く): 19816860

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 97, 157, 172, 194, 301, 314, 388, 602, 628, 679, 1099, 1204, 1358, 2198, 2716, 4171, 4396, 6751, 8342, 13502, 15229, 16684, 27004, 29197, 30458, 47257, 58394, 60916, 94514, 106603, 116788, 189028, 213206, 426412, 654847, 1309694, 2619388, 4583929, 9167858, 18335716]

約数ペア:

[(1, 18335716), (2, 9167858), (4, 4583929), (7, 2619388), (14, 1309694), (28, 654847), (43, 426412), (86, 213206), (97, 189028), (157, 116788), (172, 106603), (194, 94514), (301, 60916), (314, 58394), (388, 47257), (602, 30458), (628, 29197), (679, 27004), (1099, 16684), (1204, 15229), (1358, 13502), (2198, 8342), (2716, 6751), (4171, 4396)]