18782760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{811}}^1$

素因数の和:1018

約数の個数: 64

約数和(自身を含む): 56710080

約数和(自身を除く): 37927320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 193, 386, 579, 772, 811, 965, 1158, 1544, 1622, 1930, 2316, 2433, 2895, 3244, 3860, 4055, 4632, 4866, 5790, 6488, 7720, 8110, 9732, 11580, 12165, 16220, 19464, 23160, 24330, 32440, 48660, 97320, 156523, 313046, 469569, 626092, 782615, 939138, 1252184, 1565230, 1878276, 2347845, 3130460, 3756552, 4695690, 6260920, 9391380, 18782760]

約数ペア:

[(1, 18782760), (2, 9391380), (3, 6260920), (4, 4695690), (5, 3756552), (6, 3130460), (8, 2347845), (10, 1878276), (12, 1565230), (15, 1252184), (20, 939138), (24, 782615), (30, 626092), (40, 469569), (60, 313046), (120, 156523), (193, 97320), (386, 48660), (579, 32440), (772, 24330), (811, 23160), (965, 19464), (1158, 16220), (1544, 12165), (1622, 11580), (1930, 9732), (2316, 8110), (2433, 7720), (2895, 6488), (3244, 5790), (3860, 4866), (4055, 4632)]