19301994

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{359}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 43804800

約数和(自身を除く): 24502806

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 103, 174, 206, 261, 309, 359, 522, 618, 718, 927, 1077, 1854, 2154, 2987, 3231, 5974, 6462, 8961, 10411, 17922, 20822, 26883, 31233, 36977, 53766, 62466, 73954, 93699, 110931, 187398, 221862, 332793, 665586, 1072333, 2144666, 3216999, 6433998, 9650997, 19301994]

約数ペア:

[(1, 19301994), (2, 9650997), (3, 6433998), (6, 3216999), (9, 2144666), (18, 1072333), (29, 665586), (58, 332793), (87, 221862), (103, 187398), (174, 110931), (206, 93699), (261, 73954), (309, 62466), (359, 53766), (522, 36977), (618, 31233), (718, 26883), (927, 20822), (1077, 17922), (1854, 10411), (2154, 8961), (2987, 6462), (3231, 5974)]