18907725

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 33247872

約数和(自身を除く): 14340147

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 97, 113, 115, 291, 339, 345, 485, 565, 575, 1455, 1695, 1725, 2231, 2425, 2599, 2825, 6693, 7275, 7797, 8475, 10961, 11155, 12995, 32883, 33465, 38985, 54805, 55775, 64975, 164415, 167325, 194925, 252103, 274025, 756309, 822075, 1260515, 3781545, 6302575, 18907725]

約数ペア:

[(1, 18907725), (3, 6302575), (5, 3781545), (15, 1260515), (23, 822075), (25, 756309), (69, 274025), (75, 252103), (97, 194925), (113, 167325), (115, 164415), (291, 64975), (339, 55775), (345, 54805), (485, 38985), (565, 33465), (575, 32883), (1455, 12995), (1695, 11155), (1725, 10961), (2231, 8475), (2425, 7797), (2599, 7275), (2825, 6693)]