18840591

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{877}}^1$

素因数の和:932

約数の個数: 48

約数和(自身を含む): 35063808

約数和(自身を除く): 16223217

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 63, 77, 93, 99, 217, 231, 279, 341, 651, 693, 877, 1023, 1953, 2387, 2631, 3069, 6139, 7161, 7893, 9647, 18417, 21483, 27187, 28941, 55251, 67529, 81561, 86823, 190309, 202587, 244683, 299057, 570927, 607761, 897171, 1712781, 2093399, 2691513, 6280197, 18840591]

約数ペア:

[(1, 18840591), (3, 6280197), (7, 2691513), (9, 2093399), (11, 1712781), (21, 897171), (31, 607761), (33, 570927), (63, 299057), (77, 244683), (93, 202587), (99, 190309), (217, 86823), (231, 81561), (279, 67529), (341, 55251), (651, 28941), (693, 27187), (877, 21483), (1023, 18417), (1953, 9647), (2387, 7893), (2631, 7161), (3069, 6139)]