19220625

素因数分解:

$3^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:113

約数の個数: 80

約数和(自身を含む): 38237760

約数和(自身を除く): 19017135

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 67, 75, 85, 125, 135, 153, 201, 225, 255, 335, 375, 425, 459, 603, 625, 675, 765, 1005, 1125, 1139, 1275, 1675, 1809, 1875, 2125, 2295, 3015, 3375, 3417, 3825, 5025, 5625, 5695, 6375, 8375, 9045, 10251, 10625, 11475, 15075, 16875, 17085, 19125, 25125, 28475, 30753, 31875, 41875, 45225, 51255, 57375, 75375, 85425, 95625, 125625, 142375, 153765, 226125, 256275, 286875, 376875, 427125, 711875, 768825, 1130625, 1281375, 2135625, 3844125, 6406875, 19220625]

約数ペア:

[(1, 19220625), (3, 6406875), (5, 3844125), (9, 2135625), (15, 1281375), (17, 1130625), (25, 768825), (27, 711875), (45, 427125), (51, 376875), (67, 286875), (75, 256275), (85, 226125), (125, 153765), (135, 142375), (153, 125625), (201, 95625), (225, 85425), (255, 75375), (335, 57375), (375, 51255), (425, 45225), (459, 41875), (603, 31875), (625, 30753), (675, 28475), (765, 25125), (1005, 19125), (1125, 17085), (1139, 16875), (1275, 15075), (1675, 11475), (1809, 10625), (1875, 10251), (2125, 9045), (2295, 8375), (3015, 6375), (3375, 5695), (3417, 5625), (3825, 5025)]