18950272

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 42276960

約数和(自身を除く): 23326688

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 64, 86, 88, 128, 172, 176, 313, 344, 352, 473, 626, 688, 704, 946, 1252, 1376, 1408, 1892, 2504, 2752, 3443, 3784, 5008, 5504, 6886, 7568, 10016, 13459, 13772, 15136, 20032, 26918, 27544, 30272, 40064, 53836, 55088, 60544, 107672, 110176, 148049, 215344, 220352, 296098, 430688, 440704, 592196, 861376, 1184392, 1722752, 2368784, 4737568, 9475136, 18950272]

約数ペア:

[(1, 18950272), (2, 9475136), (4, 4737568), (8, 2368784), (11, 1722752), (16, 1184392), (22, 861376), (32, 592196), (43, 440704), (44, 430688), (64, 296098), (86, 220352), (88, 215344), (128, 148049), (172, 110176), (176, 107672), (313, 60544), (344, 55088), (352, 53836), (473, 40064), (626, 30272), (688, 27544), (704, 26918), (946, 20032), (1252, 15136), (1376, 13772), (1408, 13459), (1892, 10016), (2504, 7568), (2752, 6886), (3443, 5504), (3784, 5008)]