18710325

素因数分解:

$3^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{523}}^1$

素因数の和:595

約数の個数: 48

約数和(自身を含む): 35087040

約数和(自身を除く): 16376715

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 75, 135, 159, 225, 265, 477, 523, 675, 795, 1325, 1431, 1569, 2385, 2615, 3975, 4707, 7155, 7845, 11925, 13075, 14121, 23535, 27719, 35775, 39225, 70605, 83157, 117675, 138595, 249471, 353025, 415785, 692975, 748413, 1247355, 2078925, 3742065, 6236775, 18710325]

約数ペア:

[(1, 18710325), (3, 6236775), (5, 3742065), (9, 2078925), (15, 1247355), (25, 748413), (27, 692975), (45, 415785), (53, 353025), (75, 249471), (135, 138595), (159, 117675), (225, 83157), (265, 70605), (477, 39225), (523, 35775), (675, 27719), (795, 23535), (1325, 14121), (1431, 13075), (1569, 11925), (2385, 7845), (2615, 7155), (3975, 4707)]