18743344

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:146

約数の個数: 60

約数和(自身を含む): 39894768

約数和(自身を除く): 21151424

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 53, 62, 92, 106, 124, 184, 212, 248, 368, 424, 496, 713, 848, 961, 1219, 1426, 1643, 1922, 2438, 2852, 3286, 3844, 4876, 5704, 6572, 7688, 9752, 11408, 13144, 15376, 19504, 22103, 26288, 37789, 44206, 50933, 75578, 88412, 101866, 151156, 176824, 203732, 302312, 353648, 407464, 604624, 814928, 1171459, 2342918, 4685836, 9371672, 18743344]

約数ペア:

[(1, 18743344), (2, 9371672), (4, 4685836), (8, 2342918), (16, 1171459), (23, 814928), (31, 604624), (46, 407464), (53, 353648), (62, 302312), (92, 203732), (106, 176824), (124, 151156), (184, 101866), (212, 88412), (248, 75578), (368, 50933), (424, 44206), (496, 37789), (713, 26288), (848, 22103), (961, 19504), (1219, 15376), (1426, 13144), (1643, 11408), (1922, 9752), (2438, 7688), (2852, 6572), (3286, 5704), (3844, 4876)]