19738258

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 32997888

約数和(自身を除く): 13259630

約数列:

[1, 2, 17, 31, 34, 61, 62, 122, 307, 527, 614, 1037, 1054, 1891, 2074, 3782, 5219, 9517, 10438, 18727, 19034, 32147, 37454, 64294, 161789, 318359, 323578, 580537, 636718, 1161074, 9869129, 19738258]

約数ペア:

[(1, 19738258), (2, 9869129), (17, 1161074), (31, 636718), (34, 580537), (61, 323578), (62, 318359), (122, 161789), (307, 64294), (527, 37454), (614, 32147), (1037, 19034), (1054, 18727), (1891, 10438), (2074, 9517), (3782, 5219)]