18847065

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 31124736

約数和(自身を除く): 12277671

約数列:

[1, 3, 5, 15, 53, 151, 157, 159, 265, 453, 471, 755, 785, 795, 2265, 2355, 8003, 8321, 23707, 24009, 24963, 40015, 41605, 71121, 118535, 120045, 124815, 355605, 1256471, 3769413, 6282355, 18847065]

約数ペア:

[(1, 18847065), (3, 6282355), (5, 3769413), (15, 1256471), (53, 355605), (151, 124815), (157, 120045), (159, 118535), (265, 71121), (453, 41605), (471, 40015), (755, 24963), (785, 24009), (795, 23707), (2265, 8321), (2355, 8003)]