19409904

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{3643}}^1$

素因数の和:3694

約数の個数: 60

約数和(自身を含む): 55804216

約数和(自身を除く): 36394312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 111, 144, 148, 222, 296, 333, 444, 592, 666, 888, 1332, 1776, 2664, 3643, 5328, 7286, 10929, 14572, 21858, 29144, 32787, 43716, 58288, 65574, 87432, 131148, 134791, 174864, 262296, 269582, 404373, 524592, 539164, 808746, 1078328, 1213119, 1617492, 2156656, 2426238, 3234984, 4852476, 6469968, 9704952, 19409904]

約数ペア:

[(1, 19409904), (2, 9704952), (3, 6469968), (4, 4852476), (6, 3234984), (8, 2426238), (9, 2156656), (12, 1617492), (16, 1213119), (18, 1078328), (24, 808746), (36, 539164), (37, 524592), (48, 404373), (72, 269582), (74, 262296), (111, 174864), (144, 134791), (148, 131148), (222, 87432), (296, 65574), (333, 58288), (444, 43716), (592, 32787), (666, 29144), (888, 21858), (1332, 14572), (1776, 10929), (2664, 7286), (3643, 5328)]