19294755

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 31752000

約数和(自身を除く): 12457245

約数列:

[1, 3, 5, 15, 89, 97, 149, 267, 291, 445, 447, 485, 745, 1335, 1455, 2235, 8633, 13261, 14453, 25899, 39783, 43165, 43359, 66305, 72265, 129495, 198915, 216795, 1286317, 3858951, 6431585, 19294755]

約数ペア:

[(1, 19294755), (3, 6431585), (5, 3858951), (15, 1286317), (89, 216795), (97, 198915), (149, 129495), (267, 72265), (291, 66305), (445, 43359), (447, 43165), (485, 39783), (745, 25899), (1335, 14453), (1455, 13261), (2235, 8633)]