19942125

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 38817792

約数和(自身を除く): 18875667

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 71, 75, 105, 107, 125, 175, 213, 321, 355, 375, 497, 525, 535, 749, 875, 1065, 1491, 1605, 1775, 2247, 2485, 2625, 2675, 3745, 5325, 7455, 7597, 8025, 8875, 11235, 12425, 13375, 18725, 22791, 26625, 37275, 37985, 40125, 53179, 56175, 62125, 93625, 113955, 159537, 186375, 189925, 265895, 280875, 569775, 797685, 949625, 1329475, 2848875, 3988425, 6647375, 19942125]

約数ペア:

[(1, 19942125), (3, 6647375), (5, 3988425), (7, 2848875), (15, 1329475), (21, 949625), (25, 797685), (35, 569775), (71, 280875), (75, 265895), (105, 189925), (107, 186375), (125, 159537), (175, 113955), (213, 93625), (321, 62125), (355, 56175), (375, 53179), (497, 40125), (525, 37985), (535, 37275), (749, 26625), (875, 22791), (1065, 18725), (1491, 13375), (1605, 12425), (1775, 11235), (2247, 8875), (2485, 8025), (2625, 7597), (2675, 7455), (3745, 5325)]