18156677290731

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2447}}^1\times {\mathrm{6198809}}^1$

素因数の和:6201288

約数の個数: 48

約数和(自身を含む): 31563348710400

約数和(自身を除く): 13406671419669

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 2447, 7341, 17129, 22023, 46493, 51387, 139479, 154161, 325451, 418437, 976353, 2929059, 6198809, 18596427, 43391663, 55789281, 117777371, 130174989, 353332113, 390524967, 824441597, 1059996339, 2473324791, 7419974373, 15168485623, 45505456869, 106179399361, 136516370607, 288201226837, 318538198083, 864603680511, 955614594249, 2017408587859, 2593811041533, 6052225763577, 18156677290731]

約数ペア:

[(1, 18156677290731), (3, 6052225763577), (7, 2593811041533), (9, 2017408587859), (19, 955614594249), (21, 864603680511), (57, 318538198083), (63, 288201226837), (133, 136516370607), (171, 106179399361), (399, 45505456869), (1197, 15168485623), (2447, 7419974373), (7341, 2473324791), (17129, 1059996339), (22023, 824441597), (46493, 390524967), (51387, 353332113), (139479, 130174989), (154161, 117777371), (325451, 55789281), (418437, 43391663), (976353, 18596427), (2929059, 6198809)]