19331840

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1373}}^1$

素因数の和:1405

約数の個数: 72

約数和(自身を含む): 50552208

約数和(自身を除く): 31220368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1373, 1408, 1760, 2746, 2816, 3520, 5492, 6865, 7040, 10984, 13730, 14080, 15103, 21968, 27460, 30206, 43936, 54920, 60412, 75515, 87872, 109840, 120824, 151030, 175744, 219680, 241648, 302060, 351488, 439360, 483296, 604120, 878720, 966592, 1208240, 1757440, 1933184, 2416480, 3866368, 4832960, 9665920, 19331840]

約数ペア:

[(1, 19331840), (2, 9665920), (4, 4832960), (5, 3866368), (8, 2416480), (10, 1933184), (11, 1757440), (16, 1208240), (20, 966592), (22, 878720), (32, 604120), (40, 483296), (44, 439360), (55, 351488), (64, 302060), (80, 241648), (88, 219680), (110, 175744), (128, 151030), (160, 120824), (176, 109840), (220, 87872), (256, 75515), (320, 60412), (352, 54920), (440, 43936), (640, 30206), (704, 27460), (880, 21968), (1280, 15103), (1373, 14080), (1408, 13730), (1760, 10984), (2746, 7040), (2816, 6865), (3520, 5492)]