18276784

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1019}}^1$

素因数の和:1105

約数の個数: 40

約数和(自身を含む): 37944000

約数和(自身を除く): 19667216

約数列:

[1, 2, 4, 8, 16, 19, 38, 59, 76, 118, 152, 236, 304, 472, 944, 1019, 1121, 2038, 2242, 4076, 4484, 8152, 8968, 16304, 17936, 19361, 38722, 60121, 77444, 120242, 154888, 240484, 309776, 480968, 961936, 1142299, 2284598, 4569196, 9138392, 18276784]

約数ペア:

[(1, 18276784), (2, 9138392), (4, 4569196), (8, 2284598), (16, 1142299), (19, 961936), (38, 480968), (59, 309776), (76, 240484), (118, 154888), (152, 120242), (236, 77444), (304, 60121), (472, 38722), (944, 19361), (1019, 17936), (1121, 16304), (2038, 8968), (2242, 8152), (4076, 4484)]