18274004

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 38814720

約数和(自身を除く): 20540716

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 62, 74, 124, 148, 217, 259, 434, 518, 569, 868, 1036, 1138, 1147, 2276, 2294, 3983, 4588, 7966, 8029, 15932, 16058, 17639, 21053, 32116, 35278, 42106, 70556, 84212, 123473, 147371, 246946, 294742, 493892, 589484, 652643, 1305286, 2610572, 4568501, 9137002, 18274004]

約数ペア:

[(1, 18274004), (2, 9137002), (4, 4568501), (7, 2610572), (14, 1305286), (28, 652643), (31, 589484), (37, 493892), (62, 294742), (74, 246946), (124, 147371), (148, 123473), (217, 84212), (259, 70556), (434, 42106), (518, 35278), (569, 32116), (868, 21053), (1036, 17639), (1138, 16058), (1147, 15932), (2276, 8029), (2294, 7966), (3983, 4588)]