18825248

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{59}}^2$

素因数の和:154

約数の個数: 54

約数和(自身を含む): 40824189

約数和(自身を除く): 21998941

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 104, 118, 169, 208, 236, 338, 416, 472, 676, 767, 944, 1352, 1534, 1888, 2704, 3068, 3481, 5408, 6136, 6962, 9971, 12272, 13924, 19942, 24544, 27848, 39884, 45253, 55696, 79768, 90506, 111392, 159536, 181012, 319072, 362024, 588289, 724048, 1176578, 1448096, 2353156, 4706312, 9412624, 18825248]

約数ペア:

[(1, 18825248), (2, 9412624), (4, 4706312), (8, 2353156), (13, 1448096), (16, 1176578), (26, 724048), (32, 588289), (52, 362024), (59, 319072), (104, 181012), (118, 159536), (169, 111392), (208, 90506), (236, 79768), (338, 55696), (416, 45253), (472, 39884), (676, 27848), (767, 24544), (944, 19942), (1352, 13924), (1534, 12272), (1888, 9971), (2704, 6962), (3068, 6136), (3481, 5408)]