1921644

素因数分解:

$2^2\times 3^6\times {\mathrm{659}}^1$

素因数の和:681

約数の個数: 42

約数和(自身を含む): 5049660

約数和(自身を除く): 3128016

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 659, 729, 972, 1318, 1458, 1977, 2636, 2916, 3954, 5931, 7908, 11862, 17793, 23724, 35586, 53379, 71172, 106758, 160137, 213516, 320274, 480411, 640548, 960822, 1921644]

約数ペア:

[(1, 1921644), (2, 960822), (3, 640548), (4, 480411), (6, 320274), (9, 213516), (12, 160137), (18, 106758), (27, 71172), (36, 53379), (54, 35586), (81, 23724), (108, 17793), (162, 11862), (243, 7908), (324, 5931), (486, 3954), (659, 2916), (729, 2636), (972, 1977), (1318, 1458)]