18961005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2029}}^1$

素因数の和:2133

約数の個数: 32

約数和(自身を含む): 35078400

約数和(自身を除く): 16117395

約数列:

[1, 3, 5, 7, 15, 21, 35, 89, 105, 267, 445, 623, 1335, 1869, 2029, 3115, 6087, 9345, 10145, 14203, 30435, 42609, 71015, 180581, 213045, 541743, 902905, 1264067, 2708715, 3792201, 6320335, 18961005]

約数ペア:

[(1, 18961005), (3, 6320335), (5, 3792201), (7, 2708715), (15, 1264067), (21, 902905), (35, 541743), (89, 213045), (105, 180581), (267, 71015), (445, 42609), (623, 30435), (1335, 14203), (1869, 10145), (2029, 9345), (3115, 6087)]