19839375

素因数分解:

$3^2\times 5^4\times {\mathrm{3527}}^1$

素因数の和:3553

約数の個数: 30

約数和(自身を含む): 35819784

約数和(自身を除く): 15980409

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1875, 3527, 5625, 10581, 17635, 31743, 52905, 88175, 158715, 264525, 440875, 793575, 1322625, 2204375, 3967875, 6613125, 19839375]

約数ペア:

[(1, 19839375), (3, 6613125), (5, 3967875), (9, 2204375), (15, 1322625), (25, 793575), (45, 440875), (75, 264525), (125, 158715), (225, 88175), (375, 52905), (625, 31743), (1125, 17635), (1875, 10581), (3527, 5625)]