19746430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2017}}^1$

素因数の和:2124

約数の個数: 32

約数和(自身を含む): 39229920

約数和(自身を除く): 19483490

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 2017, 4034, 4895, 9790, 10085, 20170, 22187, 44374, 110935, 179513, 221870, 359026, 897565, 1795130, 1974643, 3949286, 9873215, 19746430]

約数ペア:

[(1, 19746430), (2, 9873215), (5, 3949286), (10, 1974643), (11, 1795130), (22, 897565), (55, 359026), (89, 221870), (110, 179513), (178, 110935), (445, 44374), (890, 22187), (979, 20170), (1958, 10085), (2017, 9790), (4034, 4895)]