19696875

素因数分解:

$3^1\times 5^5\times {\mathrm{11}}^1\times {\mathrm{191}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 35997696

約数和(自身を除く): 16300821

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 191, 275, 375, 573, 625, 825, 955, 1375, 1875, 2101, 2865, 3125, 4125, 4775, 6303, 6875, 9375, 10505, 14325, 20625, 23875, 31515, 34375, 52525, 71625, 103125, 119375, 157575, 262625, 358125, 596875, 787875, 1313125, 1790625, 3939375, 6565625, 19696875]

約数ペア:

[(1, 19696875), (3, 6565625), (5, 3939375), (11, 1790625), (15, 1313125), (25, 787875), (33, 596875), (55, 358125), (75, 262625), (125, 157575), (165, 119375), (191, 103125), (275, 71625), (375, 52525), (573, 34375), (625, 31515), (825, 23875), (955, 20625), (1375, 14325), (1875, 10505), (2101, 9375), (2865, 6875), (3125, 6303), (4125, 4775)]