18306975

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 33033600

約数和(自身を除く): 14726625

約数列:

[1, 3, 5, 15, 19, 25, 29, 57, 75, 87, 95, 145, 285, 435, 443, 475, 551, 725, 1329, 1425, 1653, 2175, 2215, 2755, 6645, 8265, 8417, 11075, 12847, 13775, 25251, 33225, 38541, 41325, 42085, 64235, 126255, 192705, 210425, 244093, 321175, 631275, 732279, 963525, 1220465, 3661395, 6102325, 18306975]

約数ペア:

[(1, 18306975), (3, 6102325), (5, 3661395), (15, 1220465), (19, 963525), (25, 732279), (29, 631275), (57, 321175), (75, 244093), (87, 210425), (95, 192705), (145, 126255), (285, 64235), (435, 42085), (443, 41325), (475, 38541), (551, 33225), (725, 25251), (1329, 13775), (1425, 12847), (1653, 11075), (2175, 8417), (2215, 8265), (2755, 6645)]