18760203

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 35852544

約数和(自身を除く): 17092341

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 107, 121, 161, 207, 231, 253, 321, 363, 483, 693, 749, 759, 847, 963, 1089, 1177, 1449, 1771, 2247, 2277, 2461, 2541, 2783, 3531, 5313, 6741, 7383, 7623, 8239, 8349, 10593, 12947, 15939, 17227, 19481, 22149, 24717, 25047, 27071, 38841, 51681, 58443, 74151, 81213, 90629, 116523, 155043, 175329, 189497, 243639, 271887, 297781, 568491, 815661, 893343, 1705473, 2084467, 2680029, 6253401, 18760203]

約数ペア:

[(1, 18760203), (3, 6253401), (7, 2680029), (9, 2084467), (11, 1705473), (21, 893343), (23, 815661), (33, 568491), (63, 297781), (69, 271887), (77, 243639), (99, 189497), (107, 175329), (121, 155043), (161, 116523), (207, 90629), (231, 81213), (253, 74151), (321, 58443), (363, 51681), (483, 38841), (693, 27071), (749, 25047), (759, 24717), (847, 22149), (963, 19481), (1089, 17227), (1177, 15939), (1449, 12947), (1771, 10593), (2247, 8349), (2277, 8239), (2461, 7623), (2541, 7383), (2783, 6741), (3531, 5313)]