19910944

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{2153}}^1$

素因数の和:2197

約数の個数: 36

約数和(自身を含む): 41660514

約数和(自身を除く): 21749570

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 289, 544, 578, 1156, 2153, 2312, 4306, 4624, 8612, 9248, 17224, 34448, 36601, 68896, 73202, 146404, 292808, 585616, 622217, 1171232, 1244434, 2488868, 4977736, 9955472, 19910944]

約数ペア:

[(1, 19910944), (2, 9955472), (4, 4977736), (8, 2488868), (16, 1244434), (17, 1171232), (32, 622217), (34, 585616), (68, 292808), (136, 146404), (272, 73202), (289, 68896), (544, 36601), (578, 34448), (1156, 17224), (2153, 9248), (2312, 8612), (4306, 4624)]