17953628

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 39771648

約数和(自身を除く): 21818020

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 821, 994, 1562, 1642, 1988, 3124, 3284, 5467, 5747, 9031, 10934, 11494, 18062, 21868, 22988, 36124, 58291, 63217, 116582, 126434, 233164, 252868, 408037, 641201, 816074, 1282402, 1632148, 2564804, 4488407, 8976814, 17953628]

約数ペア:

[(1, 17953628), (2, 8976814), (4, 4488407), (7, 2564804), (11, 1632148), (14, 1282402), (22, 816074), (28, 641201), (44, 408037), (71, 252868), (77, 233164), (142, 126434), (154, 116582), (284, 63217), (308, 58291), (497, 36124), (781, 22988), (821, 21868), (994, 18062), (1562, 11494), (1642, 10934), (1988, 9031), (3124, 5747), (3284, 5467)]