19450125

素因数分解:

$3^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:157

約数の個数: 80

約数和(自身を含む): 38733552

約数和(自身を除く): 19283427

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 113, 125, 135, 153, 225, 255, 339, 375, 405, 425, 459, 565, 675, 765, 1017, 1125, 1275, 1377, 1695, 1921, 2025, 2125, 2295, 2825, 3051, 3375, 3825, 5085, 5763, 6375, 6885, 8475, 9153, 9605, 10125, 11475, 14125, 15255, 17289, 19125, 25425, 28815, 34425, 42375, 45765, 48025, 51867, 57375, 76275, 86445, 127125, 144075, 155601, 172125, 228825, 240125, 259335, 381375, 432225, 720375, 778005, 1144125, 1296675, 2161125, 3890025, 6483375, 19450125]

約数ペア:

[(1, 19450125), (3, 6483375), (5, 3890025), (9, 2161125), (15, 1296675), (17, 1144125), (25, 778005), (27, 720375), (45, 432225), (51, 381375), (75, 259335), (81, 240125), (85, 228825), (113, 172125), (125, 155601), (135, 144075), (153, 127125), (225, 86445), (255, 76275), (339, 57375), (375, 51867), (405, 48025), (425, 45765), (459, 42375), (565, 34425), (675, 28815), (765, 25425), (1017, 19125), (1125, 17289), (1275, 15255), (1377, 14125), (1695, 11475), (1921, 10125), (2025, 9605), (2125, 9153), (2295, 8475), (2825, 6885), (3051, 6375), (3375, 5763), (3825, 5085)]