19649142

素因数分解:

$2^1\times 3^4\times {\mathrm{121291}}^1$

素因数の和:121305

約数の個数: 20

約数和(自身を含む): 44028996

約数和(自身を除く): 24379854

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 121291, 242582, 363873, 727746, 1091619, 2183238, 3274857, 6549714, 9824571, 19649142]

約数ペア:

[(1, 19649142), (2, 9824571), (3, 6549714), (6, 3274857), (9, 2183238), (18, 1091619), (27, 727746), (54, 363873), (81, 242582), (162, 121291)]