19621674

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:403

約数の個数: 48

約数和(自身を含む): 44108064

約数和(自身を除く): 24486390

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 101, 129, 202, 251, 258, 303, 387, 502, 606, 753, 774, 909, 1506, 1818, 2259, 4343, 4518, 8686, 10793, 13029, 21586, 25351, 26058, 32379, 39087, 50702, 64758, 76053, 78174, 97137, 152106, 194274, 228159, 456318, 1090093, 2180186, 3270279, 6540558, 9810837, 19621674]

約数ペア:

[(1, 19621674), (2, 9810837), (3, 6540558), (6, 3270279), (9, 2180186), (18, 1090093), (43, 456318), (86, 228159), (101, 194274), (129, 152106), (202, 97137), (251, 78174), (258, 76053), (303, 64758), (387, 50702), (502, 39087), (606, 32379), (753, 26058), (774, 25351), (909, 21586), (1506, 13029), (1818, 10793), (2259, 8686), (4343, 4518)]