19893627

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1$

素因数の和:217

約数の個数: 48

約数和(自身を含む): 33710880

約数和(自身を除く): 13817253

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 157, 171, 247, 351, 361, 471, 513, 741, 1083, 1413, 2041, 2223, 2983, 3249, 4239, 4693, 6123, 6669, 8949, 9747, 14079, 18369, 26847, 38779, 42237, 55107, 56677, 80541, 116337, 126711, 170031, 349011, 510093, 736801, 1047033, 1530279, 2210403, 6631209, 19893627]

約数ペア:

[(1, 19893627), (3, 6631209), (9, 2210403), (13, 1530279), (19, 1047033), (27, 736801), (39, 510093), (57, 349011), (117, 170031), (157, 126711), (171, 116337), (247, 80541), (351, 56677), (361, 55107), (471, 42237), (513, 38779), (741, 26847), (1083, 18369), (1413, 14079), (2041, 9747), (2223, 8949), (2983, 6669), (3249, 6123), (4239, 4693)]