18357952

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:549

約数の個数: 56

約数和(自身を含む): 39664640

約数和(自身を除く): 21306688

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 152, 248, 304, 487, 496, 589, 608, 974, 992, 1178, 1216, 1948, 1984, 2356, 3896, 4712, 7792, 9253, 9424, 15097, 15584, 18506, 18848, 30194, 31168, 37012, 37696, 60388, 74024, 120776, 148048, 241552, 286843, 296096, 483104, 573686, 592192, 966208, 1147372, 2294744, 4589488, 9178976, 18357952]

約数ペア:

[(1, 18357952), (2, 9178976), (4, 4589488), (8, 2294744), (16, 1147372), (19, 966208), (31, 592192), (32, 573686), (38, 483104), (62, 296096), (64, 286843), (76, 241552), (124, 148048), (152, 120776), (248, 74024), (304, 60388), (487, 37696), (496, 37012), (589, 31168), (608, 30194), (974, 18848), (992, 18506), (1178, 15584), (1216, 15097), (1948, 9424), (1984, 9253), (2356, 7792), (3896, 4712)]