18187328

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:235

約数の個数: 56

約数和(自身を含む): 38039040

約数和(自身を除く): 19851712

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 89, 103, 124, 178, 206, 248, 356, 412, 496, 712, 824, 992, 1424, 1648, 1984, 2759, 2848, 3193, 3296, 5518, 5696, 6386, 6592, 9167, 11036, 12772, 18334, 22072, 25544, 36668, 44144, 51088, 73336, 88288, 102176, 146672, 176576, 204352, 284177, 293344, 568354, 586688, 1136708, 2273416, 4546832, 9093664, 18187328]

約数ペア:

[(1, 18187328), (2, 9093664), (4, 4546832), (8, 2273416), (16, 1136708), (31, 586688), (32, 568354), (62, 293344), (64, 284177), (89, 204352), (103, 176576), (124, 146672), (178, 102176), (206, 88288), (248, 73336), (356, 51088), (412, 44144), (496, 36668), (712, 25544), (824, 22072), (992, 18334), (1424, 12772), (1648, 11036), (1984, 9167), (2759, 6592), (2848, 6386), (3193, 5696), (3296, 5518)]