18636716

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{673}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 39857664

約数和(自身を除く): 21220948

約数列:

[1, 2, 4, 7, 14, 23, 28, 43, 46, 86, 92, 161, 172, 301, 322, 602, 644, 673, 989, 1204, 1346, 1978, 2692, 3956, 4711, 6923, 9422, 13846, 15479, 18844, 27692, 28939, 30958, 57878, 61916, 108353, 115756, 202573, 216706, 405146, 433412, 665597, 810292, 1331194, 2662388, 4659179, 9318358, 18636716]

約数ペア:

[(1, 18636716), (2, 9318358), (4, 4659179), (7, 2662388), (14, 1331194), (23, 810292), (28, 665597), (43, 433412), (46, 405146), (86, 216706), (92, 202573), (161, 115756), (172, 108353), (301, 61916), (322, 57878), (602, 30958), (644, 28939), (673, 27692), (989, 18844), (1204, 15479), (1346, 13846), (1978, 9422), (2692, 6923), (3956, 4711)]