18929950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29123}}^1$

素因数の和:29148

約数の個数: 24

約数和(自身を含む): 37919448

約数和(自身を除く): 18989498

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 29123, 58246, 145615, 291230, 378599, 728075, 757198, 1456150, 1892995, 3785990, 9464975, 18929950]

約数ペア:

[(1, 18929950), (2, 9464975), (5, 3785990), (10, 1892995), (13, 1456150), (25, 757198), (26, 728075), (50, 378599), (65, 291230), (130, 145615), (325, 58246), (650, 29123)]