18743580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1031}}^1$

素因数の和:1147

約数の個数: 72

約数和(自身を含む): 57474144

約数和(自身を除く): 38730564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1031, 1212, 1515, 1818, 2020, 2062, 3030, 3093, 3636, 4124, 4545, 5155, 6060, 6186, 9090, 9279, 10310, 12372, 15465, 18180, 18558, 20620, 30930, 37116, 46395, 61860, 92790, 104131, 185580, 208262, 312393, 416524, 520655, 624786, 937179, 1041310, 1249572, 1561965, 1874358, 2082620, 3123930, 3748716, 4685895, 6247860, 9371790, 18743580]

約数ペア:

[(1, 18743580), (2, 9371790), (3, 6247860), (4, 4685895), (5, 3748716), (6, 3123930), (9, 2082620), (10, 1874358), (12, 1561965), (15, 1249572), (18, 1041310), (20, 937179), (30, 624786), (36, 520655), (45, 416524), (60, 312393), (90, 208262), (101, 185580), (180, 104131), (202, 92790), (303, 61860), (404, 46395), (505, 37116), (606, 30930), (909, 20620), (1010, 18558), (1031, 18180), (1212, 15465), (1515, 12372), (1818, 10310), (2020, 9279), (2062, 9090), (3030, 6186), (3093, 6060), (3636, 5155), (4124, 4545)]