16721478

素因数分解:

$2^1\times 3^4\times {\mathrm{233}}^1\times {\mathrm{443}}^1$

素因数の和:690

約数の個数: 40

約数和(自身を含む): 37714248

約数和(自身を除く): 20992770

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 233, 443, 466, 699, 886, 1329, 1398, 2097, 2658, 3987, 4194, 6291, 7974, 11961, 12582, 18873, 23922, 35883, 37746, 71766, 103219, 206438, 309657, 619314, 928971, 1857942, 2786913, 5573826, 8360739, 16721478]

約数ペア:

[(1, 16721478), (2, 8360739), (3, 5573826), (6, 2786913), (9, 1857942), (18, 928971), (27, 619314), (54, 309657), (81, 206438), (162, 103219), (233, 71766), (443, 37746), (466, 35883), (699, 23922), (886, 18873), (1329, 12582), (1398, 11961), (2097, 7974), (2658, 6291), (3987, 4194)]