19782774

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:354

約数の個数: 72

約数和(自身を含む): 48799296

約数和(自身を除く): 29016522

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 31, 33, 62, 66, 93, 99, 121, 186, 198, 242, 279, 293, 341, 363, 558, 586, 682, 726, 879, 1023, 1089, 1758, 2046, 2178, 2637, 3069, 3223, 3751, 5274, 6138, 6446, 7502, 9083, 9669, 11253, 18166, 19338, 22506, 27249, 29007, 33759, 35453, 54498, 58014, 67518, 70906, 81747, 99913, 106359, 163494, 199826, 212718, 299739, 319077, 599478, 638154, 899217, 1099043, 1798434, 2198086, 3297129, 6594258, 9891387, 19782774]

約数ペア:

[(1, 19782774), (2, 9891387), (3, 6594258), (6, 3297129), (9, 2198086), (11, 1798434), (18, 1099043), (22, 899217), (31, 638154), (33, 599478), (62, 319077), (66, 299739), (93, 212718), (99, 199826), (121, 163494), (186, 106359), (198, 99913), (242, 81747), (279, 70906), (293, 67518), (341, 58014), (363, 54498), (558, 35453), (586, 33759), (682, 29007), (726, 27249), (879, 22506), (1023, 19338), (1089, 18166), (1758, 11253), (2046, 9669), (2178, 9083), (2637, 7502), (3069, 6446), (3223, 6138), (3751, 5274)]