19808388

素因数分解:

$2^2\times 3^6\times {\mathrm{6793}}^1$

素因数の和:6815

約数の個数: 42

約数和(自身を含む): 51980894

約数和(自身を除く): 32172506

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 6793, 13586, 20379, 27172, 40758, 61137, 81516, 122274, 183411, 244548, 366822, 550233, 733644, 1100466, 1650699, 2200932, 3301398, 4952097, 6602796, 9904194, 19808388]

約数ペア:

[(1, 19808388), (2, 9904194), (3, 6602796), (4, 4952097), (6, 3301398), (9, 2200932), (12, 1650699), (18, 1100466), (27, 733644), (36, 550233), (54, 366822), (81, 244548), (108, 183411), (162, 122274), (243, 81516), (324, 61137), (486, 40758), (729, 27172), (972, 20379), (1458, 13586), (2916, 6793)]