18055375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:340

約数の個数: 32

約数和(自身を含む): 24950016

約数和(自身を除く): 6894641

約数列:

[1, 5, 13, 25, 41, 65, 125, 205, 271, 325, 533, 1025, 1355, 1625, 2665, 3523, 5125, 6775, 11111, 13325, 17615, 33875, 55555, 66625, 88075, 144443, 277775, 440375, 722215, 1388875, 3611075, 18055375]

約数ペア:

[(1, 18055375), (5, 3611075), (13, 1388875), (25, 722215), (41, 440375), (65, 277775), (125, 144443), (205, 88075), (271, 66625), (325, 55555), (533, 33875), (1025, 17615), (1355, 13325), (1625, 11111), (2665, 6775), (3523, 5125)]