19410855

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{467}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 33156864

約数和(自身を除く): 13746009

約数列:

[1, 3, 5, 15, 17, 51, 85, 163, 255, 467, 489, 815, 1401, 2335, 2445, 2771, 7005, 7939, 8313, 13855, 23817, 39695, 41565, 76121, 119085, 228363, 380605, 1141815, 1294057, 3882171, 6470285, 19410855]

約数ペア:

[(1, 19410855), (3, 6470285), (5, 3882171), (15, 1294057), (17, 1141815), (51, 380605), (85, 228363), (163, 119085), (255, 76121), (467, 41565), (489, 39695), (815, 23817), (1401, 13855), (2335, 8313), (2445, 7939), (2771, 7005)]