19021215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{769}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 32598720

約数和(自身を除く): 13577505

約数列:

[1, 3, 5, 15, 17, 51, 85, 97, 255, 291, 485, 769, 1455, 1649, 2307, 3845, 4947, 8245, 11535, 13073, 24735, 39219, 65365, 74593, 196095, 223779, 372965, 1118895, 1268081, 3804243, 6340405, 19021215]

約数ペア:

[(1, 19021215), (3, 6340405), (5, 3804243), (15, 1268081), (17, 1118895), (51, 372965), (85, 223779), (97, 196095), (255, 74593), (291, 65365), (485, 39219), (769, 24735), (1455, 13073), (1649, 11535), (2307, 8245), (3845, 4947)]