19810208

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{337}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 42928704

約数和(自身を除く): 23118496

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 167, 176, 334, 337, 352, 668, 674, 1336, 1348, 1837, 2672, 2696, 3674, 3707, 5344, 5392, 7348, 7414, 10784, 14696, 14828, 29392, 29656, 56279, 58784, 59312, 112558, 118624, 225116, 450232, 619069, 900464, 1238138, 1800928, 2476276, 4952552, 9905104, 19810208]

約数ペア:

[(1, 19810208), (2, 9905104), (4, 4952552), (8, 2476276), (11, 1800928), (16, 1238138), (22, 900464), (32, 619069), (44, 450232), (88, 225116), (167, 118624), (176, 112558), (334, 59312), (337, 58784), (352, 56279), (668, 29656), (674, 29392), (1336, 14828), (1348, 14696), (1837, 10784), (2672, 7414), (2696, 7348), (3674, 5392), (3707, 5344)]