19663254

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4943}}^1$

素因数の和:4981

約数の個数: 48

約数和(自身を含む): 48589632

約数和(自身を除く): 28926378

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 4943, 9886, 14829, 29658, 44487, 64259, 84031, 88974, 128518, 168062, 192777, 252093, 385554, 504186, 578331, 756279, 1092403, 1156662, 1512558, 2184806, 3277209, 6554418, 9831627, 19663254]

約数ペア:

[(1, 19663254), (2, 9831627), (3, 6554418), (6, 3277209), (9, 2184806), (13, 1512558), (17, 1156662), (18, 1092403), (26, 756279), (34, 578331), (39, 504186), (51, 385554), (78, 252093), (102, 192777), (117, 168062), (153, 128518), (221, 88974), (234, 84031), (306, 64259), (442, 44487), (663, 29658), (1326, 14829), (1989, 9886), (3978, 4943)]