19280373

素因数分解:

$3^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 30777600

約数和(自身を除く): 11497227

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 343, 457, 861, 1029, 1371, 2009, 3199, 6027, 9597, 14063, 18737, 22393, 42189, 56211, 67179, 131159, 156751, 393477, 470253, 918113, 2754339, 6426791, 19280373]

約数ペア:

[(1, 19280373), (3, 6426791), (7, 2754339), (21, 918113), (41, 470253), (49, 393477), (123, 156751), (147, 131159), (287, 67179), (343, 56211), (457, 42189), (861, 22393), (1029, 18737), (1371, 14063), (2009, 9597), (3199, 6027)]