19407104

素因数分解:

$2^8\times {\mathrm{41}}^1\times {\mathrm{43}}^2$

素因数の和:143

約数の個数: 54

約数和(自身を含む): 40627566

約数和(自身を除く): 21220462

約数列:

[1, 2, 4, 8, 16, 32, 41, 43, 64, 82, 86, 128, 164, 172, 256, 328, 344, 656, 688, 1312, 1376, 1763, 1849, 2624, 2752, 3526, 3698, 5248, 5504, 7052, 7396, 10496, 11008, 14104, 14792, 28208, 29584, 56416, 59168, 75809, 112832, 118336, 151618, 225664, 236672, 303236, 451328, 473344, 606472, 1212944, 2425888, 4851776, 9703552, 19407104]

約数ペア:

[(1, 19407104), (2, 9703552), (4, 4851776), (8, 2425888), (16, 1212944), (32, 606472), (41, 473344), (43, 451328), (64, 303236), (82, 236672), (86, 225664), (128, 151618), (164, 118336), (172, 112832), (256, 75809), (328, 59168), (344, 56416), (656, 29584), (688, 28208), (1312, 14792), (1376, 14104), (1763, 11008), (1849, 10496), (2624, 7396), (2752, 7052), (3526, 5504), (3698, 5248)]