19266064

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{683}}^1$

素因数の和:775

約数の個数: 40

約数和(自身を含む): 39184992

約数和(自身を除く): 19918928

約数列:

[1, 2, 4, 8, 16, 41, 43, 82, 86, 164, 172, 328, 344, 656, 683, 688, 1366, 1763, 2732, 3526, 5464, 7052, 10928, 14104, 28003, 28208, 29369, 56006, 58738, 112012, 117476, 224024, 234952, 448048, 469904, 1204129, 2408258, 4816516, 9633032, 19266064]

約数ペア:

[(1, 19266064), (2, 9633032), (4, 4816516), (8, 2408258), (16, 1204129), (41, 469904), (43, 448048), (82, 234952), (86, 224024), (164, 117476), (172, 112012), (328, 58738), (344, 56006), (656, 29369), (683, 28208), (688, 28003), (1366, 14104), (1763, 10928), (2732, 7052), (3526, 5464)]