19993669213

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{659}}^1\times {\mathrm{1321}}^1$

素因数の和:2197

約数の個数: 32

約数和(自身を含む): 24374718720

約数和(自身を除く): 4381049507

約数列:

[1, 7, 17, 119, 193, 659, 1321, 1351, 3281, 4613, 9247, 11203, 22457, 22967, 78421, 127187, 157199, 254953, 870539, 890309, 1784671, 2162179, 4334201, 6093773, 14799163, 15135253, 30339407, 103594141, 168014027, 1176098189, 2856238459, 19993669213]

約数ペア:

[(1, 19993669213), (7, 2856238459), (17, 1176098189), (119, 168014027), (193, 103594141), (659, 30339407), (1321, 15135253), (1351, 14799163), (3281, 6093773), (4613, 4334201), (9247, 2162179), (11203, 1784671), (22457, 890309), (22967, 870539), (78421, 254953), (127187, 157199)]