19551488

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 43708896

約数和(自身を除く): 24157408

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 53, 64, 88, 106, 128, 131, 176, 212, 256, 262, 352, 424, 524, 583, 704, 848, 1048, 1166, 1408, 1441, 1696, 2096, 2332, 2816, 2882, 3392, 4192, 4664, 5764, 6784, 6943, 8384, 9328, 11528, 13568, 13886, 16768, 18656, 23056, 27772, 33536, 37312, 46112, 55544, 74624, 76373, 92224, 111088, 149248, 152746, 184448, 222176, 305492, 368896, 444352, 610984, 888704, 1221968, 1777408, 2443936, 4887872, 9775744, 19551488]

約数ペア:

[(1, 19551488), (2, 9775744), (4, 4887872), (8, 2443936), (11, 1777408), (16, 1221968), (22, 888704), (32, 610984), (44, 444352), (53, 368896), (64, 305492), (88, 222176), (106, 184448), (128, 152746), (131, 149248), (176, 111088), (212, 92224), (256, 76373), (262, 74624), (352, 55544), (424, 46112), (524, 37312), (583, 33536), (704, 27772), (848, 23056), (1048, 18656), (1166, 16768), (1408, 13886), (1441, 13568), (1696, 11528), (2096, 9328), (2332, 8384), (2816, 6943), (2882, 6784), (3392, 5764), (4192, 4664)]