19802195

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1447}}^1$

素因数の和:1499

約数の個数: 32

約数和(自身を含む): 30025728

約数和(自身を除く): 10223533

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 595, 805, 1447, 1955, 2737, 7235, 10129, 13685, 24599, 33281, 50645, 122995, 166405, 172193, 232967, 565777, 860965, 1164835, 2828885, 3960439, 19802195]

約数ペア:

[(1, 19802195), (5, 3960439), (7, 2828885), (17, 1164835), (23, 860965), (35, 565777), (85, 232967), (115, 172193), (119, 166405), (161, 122995), (391, 50645), (595, 33281), (805, 24599), (1447, 13685), (1955, 10129), (2737, 7235)]