190091998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{379}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 306979200

約数和(自身を除く): 116887202

約数列:

[1, 2, 19, 38, 67, 134, 197, 379, 394, 758, 1273, 2546, 3743, 7201, 7486, 13199, 14402, 25393, 26398, 50786, 74663, 149326, 250781, 482467, 501562, 964934, 1418597, 2837194, 5002421, 10004842, 95045999, 190091998]

約数ペア:

[(1, 190091998), (2, 95045999), (19, 10004842), (38, 5002421), (67, 2837194), (134, 1418597), (197, 964934), (379, 501562), (394, 482467), (758, 250781), (1273, 149326), (2546, 74663), (3743, 50786), (7201, 26398), (7486, 25393), (13199, 14402)]