19677176281

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1\times {\mathrm{677}}^1$

素因数の和:1393

約数の個数: 32

約数和(自身を含む): 23138784000

約数和(自身を除く): 3461607719

約数列:

[1, 7, 53, 157, 371, 499, 677, 1099, 3493, 4739, 8321, 26447, 35881, 58247, 78343, 106289, 185129, 251167, 337823, 548401, 744023, 2364761, 4152179, 5633317, 17904619, 29065253, 39433219, 53038211, 125332333, 371267477, 2811025183, 19677176281]

約数ペア:

[(1, 19677176281), (7, 2811025183), (53, 371267477), (157, 125332333), (371, 53038211), (499, 39433219), (677, 29065253), (1099, 17904619), (3493, 5633317), (4739, 4152179), (8321, 2364761), (26447, 744023), (35881, 548401), (58247, 337823), (78343, 251167), (106289, 185129)]