19886454

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{3221}}^1$

素因数の和:3250

約数の個数: 48

約数和(自身を含む): 50263200

約数和(自身を除く): 30376746

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 3087, 3221, 6174, 6442, 9663, 19326, 22547, 28989, 45094, 57978, 67641, 135282, 157829, 202923, 315658, 405846, 473487, 946974, 1104803, 1420461, 2209606, 2840922, 3314409, 6628818, 9943227, 19886454]

約数ペア:

[(1, 19886454), (2, 9943227), (3, 6628818), (6, 3314409), (7, 2840922), (9, 2209606), (14, 1420461), (18, 1104803), (21, 946974), (42, 473487), (49, 405846), (63, 315658), (98, 202923), (126, 157829), (147, 135282), (294, 67641), (343, 57978), (441, 45094), (686, 28989), (882, 22547), (1029, 19326), (2058, 9663), (3087, 6442), (3221, 6174)]