18996870431

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1427}}^1\times {\mathrm{2083}}^1$

素因数の和:3611

約数の個数: 32

約数和(自身を含む): 23998076928

約数和(自身を除く): 5001206497

約数列:

[1, 7, 11, 77, 83, 581, 913, 1427, 2083, 6391, 9989, 14581, 15697, 22913, 109879, 118441, 160391, 172889, 829087, 1210223, 1302851, 1901779, 2972441, 9119957, 13312453, 20807087, 32696851, 228877957, 246712603, 1726988221, 2713838633, 18996870431]

約数ペア:

[(1, 18996870431), (7, 2713838633), (11, 1726988221), (77, 246712603), (83, 228877957), (581, 32696851), (913, 20807087), (1427, 13312453), (2083, 9119957), (6391, 2972441), (9989, 1901779), (14581, 1302851), (15697, 1210223), (22913, 829087), (109879, 172889), (118441, 160391)]