18112928

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{31}}^3$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 38787840

約数和(自身を除く): 20674912

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 76, 124, 152, 248, 304, 496, 589, 608, 961, 992, 1178, 1922, 2356, 3844, 4712, 7688, 9424, 15376, 18259, 18848, 29791, 30752, 36518, 59582, 73036, 119164, 146072, 238328, 292144, 476656, 566029, 584288, 953312, 1132058, 2264116, 4528232, 9056464, 18112928]

約数ペア:

[(1, 18112928), (2, 9056464), (4, 4528232), (8, 2264116), (16, 1132058), (19, 953312), (31, 584288), (32, 566029), (38, 476656), (62, 292144), (76, 238328), (124, 146072), (152, 119164), (248, 73036), (304, 59582), (496, 36518), (589, 30752), (608, 29791), (961, 18848), (992, 18259), (1178, 15376), (1922, 9424), (2356, 7688), (3844, 4712)]