19664770

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{443}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 37210752

約数和(自身を除く): 17545982

約数列:

[1, 2, 5, 10, 23, 46, 115, 193, 230, 386, 443, 886, 965, 1930, 2215, 4430, 4439, 8878, 10189, 20378, 22195, 44390, 50945, 85499, 101890, 170998, 427495, 854990, 1966477, 3932954, 9832385, 19664770]

約数ペア:

[(1, 19664770), (2, 9832385), (5, 3932954), (10, 1966477), (23, 854990), (46, 427495), (115, 170998), (193, 101890), (230, 85499), (386, 50945), (443, 44390), (886, 22195), (965, 20378), (1930, 10189), (2215, 8878), (4430, 4439)]