18672015

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{313}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 31018176

約数和(自身を除く): 12346161

約数列:

[1, 3, 5, 15, 41, 97, 123, 205, 291, 313, 485, 615, 939, 1455, 1565, 3977, 4695, 11931, 12833, 19885, 30361, 38499, 59655, 64165, 91083, 151805, 192495, 455415, 1244801, 3734403, 6224005, 18672015]

約数ペア:

[(1, 18672015), (3, 6224005), (5, 3734403), (15, 1244801), (41, 455415), (97, 192495), (123, 151805), (205, 91083), (291, 64165), (313, 59655), (485, 38499), (615, 30361), (939, 19885), (1455, 12833), (1565, 11931), (3977, 4695)]