18068660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 39631872

約数和(自身を除く): 21563212

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 151, 155, 193, 302, 310, 386, 604, 620, 755, 772, 965, 1510, 1930, 3020, 3860, 4681, 5983, 9362, 11966, 18724, 23405, 23932, 29143, 29915, 46810, 58286, 59830, 93620, 116572, 119660, 145715, 291430, 582860, 903433, 1806866, 3613732, 4517165, 9034330, 18068660]

約数ペア:

[(1, 18068660), (2, 9034330), (4, 4517165), (5, 3613732), (10, 1806866), (20, 903433), (31, 582860), (62, 291430), (124, 145715), (151, 119660), (155, 116572), (193, 93620), (302, 59830), (310, 58286), (386, 46810), (604, 29915), (620, 29143), (755, 23932), (772, 23405), (965, 18724), (1510, 11966), (1930, 9362), (3020, 5983), (3860, 4681)]