18514688

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{2333}}^1$

素因数の和:2380

約数の個数: 36

約数和(自身を含む): 38165568

約数和(自身を除く): 19650880

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 2333, 3968, 4666, 7936, 9332, 18664, 37328, 72323, 74656, 144646, 149312, 289292, 298624, 578584, 597248, 1157168, 2314336, 4628672, 9257344, 18514688]

約数ペア:

[(1, 18514688), (2, 9257344), (4, 4628672), (8, 2314336), (16, 1157168), (31, 597248), (32, 578584), (62, 298624), (64, 289292), (124, 149312), (128, 144646), (248, 74656), (256, 72323), (496, 37328), (992, 18664), (1984, 9332), (2333, 7936), (3968, 4666)]