18822315

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{331}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 32126976

約数和(自身を除く): 13304661

約数列:

[1, 3, 5, 15, 17, 51, 85, 223, 255, 331, 669, 993, 1115, 1655, 3345, 3791, 4965, 5627, 11373, 16881, 18955, 28135, 56865, 73813, 84405, 221439, 369065, 1107195, 1254821, 3764463, 6274105, 18822315]

約数ペア:

[(1, 18822315), (3, 6274105), (5, 3764463), (15, 1254821), (17, 1107195), (51, 369065), (85, 221439), (223, 84405), (255, 73813), (331, 56865), (669, 28135), (993, 18955), (1115, 16881), (1655, 11373), (3345, 5627), (3791, 4965)]