18566960

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:246

約数の個数: 80

約数和(自身を含む): 45800640

約数和(自身を除く): 27233680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 53, 58, 80, 106, 116, 145, 151, 212, 232, 265, 290, 302, 424, 464, 530, 580, 604, 755, 848, 1060, 1160, 1208, 1510, 1537, 2120, 2320, 2416, 3020, 3074, 4240, 4379, 6040, 6148, 7685, 8003, 8758, 12080, 12296, 15370, 16006, 17516, 21895, 24592, 30740, 32012, 35032, 40015, 43790, 61480, 64024, 70064, 80030, 87580, 122960, 128048, 160060, 175160, 232087, 320120, 350320, 464174, 640240, 928348, 1160435, 1856696, 2320870, 3713392, 4641740, 9283480, 18566960]

約数ペア:

[(1, 18566960), (2, 9283480), (4, 4641740), (5, 3713392), (8, 2320870), (10, 1856696), (16, 1160435), (20, 928348), (29, 640240), (40, 464174), (53, 350320), (58, 320120), (80, 232087), (106, 175160), (116, 160060), (145, 128048), (151, 122960), (212, 87580), (232, 80030), (265, 70064), (290, 64024), (302, 61480), (424, 43790), (464, 40015), (530, 35032), (580, 32012), (604, 30740), (755, 24592), (848, 21895), (1060, 17516), (1160, 16006), (1208, 15370), (1510, 12296), (1537, 12080), (2120, 8758), (2320, 8003), (2416, 7685), (3020, 6148), (3074, 6040), (4240, 4379)]