18592070

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2037

約数の個数: 48

約数和(自身を含む): 40998960

約数和(自身を除く): 22406890

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 1997, 3994, 4655, 9310, 9985, 13979, 19970, 27958, 37943, 69895, 75886, 97853, 139790, 189715, 195706, 265601, 379430, 489265, 531202, 978530, 1328005, 1859207, 2656010, 3718414, 9296035, 18592070]

約数ペア:

[(1, 18592070), (2, 9296035), (5, 3718414), (7, 2656010), (10, 1859207), (14, 1328005), (19, 978530), (35, 531202), (38, 489265), (49, 379430), (70, 265601), (95, 195706), (98, 189715), (133, 139790), (190, 97853), (245, 75886), (266, 69895), (490, 37943), (665, 27958), (931, 19970), (1330, 13979), (1862, 9985), (1997, 9310), (3994, 4655)]