19709325

素因数分解:

$3^4\times 5^2\times {\mathrm{9733}}^1$

素因数の和:9755

約数の個数: 30

約数和(自身を含む): 36512234

約数和(自身を除く): 16802909

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 9733, 29199, 48665, 87597, 145995, 243325, 262791, 437985, 729975, 788373, 1313955, 2189925, 3941865, 6569775, 19709325]

約数ペア:

[(1, 19709325), (3, 6569775), (5, 3941865), (9, 2189925), (15, 1313955), (25, 788373), (27, 729975), (45, 437985), (75, 262791), (81, 243325), (135, 145995), (225, 87597), (405, 48665), (675, 29199), (2025, 9733)]