19654474

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2062

約数の個数: 32

約数和(自身を含む): 36443520

約数和(自身を除く): 16789046

約数列:

[1, 2, 7, 14, 19, 37, 38, 74, 133, 259, 266, 518, 703, 1406, 1997, 3994, 4921, 9842, 13979, 27958, 37943, 73889, 75886, 147778, 265601, 517223, 531202, 1034446, 1403891, 2807782, 9827237, 19654474]

約数ペア:

[(1, 19654474), (2, 9827237), (7, 2807782), (14, 1403891), (19, 1034446), (37, 531202), (38, 517223), (74, 265601), (133, 147778), (259, 75886), (266, 73889), (518, 37943), (703, 27958), (1406, 13979), (1997, 9842), (3994, 4921)]