18790318

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:252

約数の個数: 32

約数和(自身を含む): 30533760

約数和(自身を除く): 11743442

約数列:

[1, 2, 29, 47, 58, 61, 94, 113, 122, 226, 1363, 1769, 2726, 2867, 3277, 3538, 5311, 5734, 6554, 6893, 10622, 13786, 83143, 154019, 166286, 199897, 308038, 323971, 399794, 647942, 9395159, 18790318]

約数ペア:

[(1, 18790318), (2, 9395159), (29, 647942), (47, 399794), (58, 323971), (61, 308038), (94, 199897), (113, 166286), (122, 154019), (226, 83143), (1363, 13786), (1769, 10622), (2726, 6893), (2867, 6554), (3277, 5734), (3538, 5311)]