19189905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9619}}^1$

素因数の和:9653

約数の個数: 32

約数和(自身を含む): 36940800

約数和(自身を除く): 17750895

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 9619, 28857, 48095, 67333, 144285, 182761, 201999, 336665, 548283, 913805, 1009995, 1279327, 2741415, 3837981, 6396635, 19189905]

約数ペア:

[(1, 19189905), (3, 6396635), (5, 3837981), (7, 2741415), (15, 1279327), (19, 1009995), (21, 913805), (35, 548283), (57, 336665), (95, 201999), (105, 182761), (133, 144285), (285, 67333), (399, 48095), (665, 28857), (1995, 9619)]