19654974

素因数分解:

$2^1\times 3^4\times {\mathrm{121327}}^1$

素因数の和:121341

約数の個数: 20

約数和(自身を含む): 44042064

約数和(自身を除く): 24387090

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 121327, 242654, 363981, 727962, 1091943, 2183886, 3275829, 6551658, 9827487, 19654974]

約数ペア:

[(1, 19654974), (2, 9827487), (3, 6551658), (6, 3275829), (9, 2183886), (18, 1091943), (27, 727962), (54, 363981), (81, 242654), (162, 121327)]