18014375

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:117

約数の個数: 40

約数和(自身を含む): 24929520

約数和(自身を除く): 6915145

約数列:

[1, 5, 19, 25, 37, 41, 95, 125, 185, 205, 475, 625, 703, 779, 925, 1025, 1517, 2375, 3515, 3895, 4625, 5125, 7585, 11875, 17575, 19475, 23125, 25625, 28823, 37925, 87875, 97375, 144115, 189625, 439375, 486875, 720575, 948125, 3602875, 18014375]

約数ペア:

[(1, 18014375), (5, 3602875), (19, 948125), (25, 720575), (37, 486875), (41, 439375), (95, 189625), (125, 144115), (185, 97375), (205, 87875), (475, 37925), (625, 28823), (703, 25625), (779, 23125), (925, 19475), (1025, 17575), (1517, 11875), (2375, 7585), (3515, 5125), (3895, 4625)]